Home / 749,436.20-1,034,246.58-409,904.46

Finding the Fourth Proportional to 749,436.20, 1,034,246.58 and 409,904.46

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Solution

The fourth proportional to 749,436.20, 1,034,246.58 and 409,904.46 is: 565,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,436.20 : 1,034,246.58 = 409,904.46 : x
  2. Step 2: Convert to fraction form
    749,436.20/1,034,246.58 = 409,904.46/x
  3. Step 3: Cross multiply
    749,436.20x = 1,034,246.58 × 409,904.46
  4. Step 4: Simplify right side
    749,436.20x = 423,942,285,881.75
  5. Step 5: Solve for x
    x = 423,942,285,881.75/749,436.20
  6. Step 6: Final answer
    x = 565,681.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.