Home / 1,007,056.80-1,510,585.20-342,208.80

Finding the Fourth Proportional to 1,007,056.80, 1,510,585.20 and 342,208.80

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Solution

The fourth proportional to 1,007,056.80, 1,510,585.20 and 342,208.80 is: 513,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,056.80 : 1,510,585.20 = 342,208.80 : x
  2. Step 2: Convert to fraction form
    1,007,056.80/1,510,585.20 = 342,208.80/x
  3. Step 3: Cross multiply
    1,007,056.80x = 1,510,585.20 × 342,208.80
  4. Step 4: Simplify right side
    1,007,056.80x = 516,935,548,589.76
  5. Step 5: Solve for x
    x = 516,935,548,589.76/1,007,056.80
  6. Step 6: Final answer
    x = 513,313.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.