Home / 710,473.20-1,065,709.80-615,087.60

Finding the Fourth Proportional to 710,473.20, 1,065,709.80 and 615,087.60

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Solution

The fourth proportional to 710,473.20, 1,065,709.80 and 615,087.60 is: 922,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,473.20 : 1,065,709.80 = 615,087.60 : x
  2. Step 2: Convert to fraction form
    710,473.20/1,065,709.80 = 615,087.60/x
  3. Step 3: Cross multiply
    710,473.20x = 1,065,709.80 × 615,087.60
  4. Step 4: Simplify right side
    710,473.20x = 655,504,883,178.48
  5. Step 5: Solve for x
    x = 655,504,883,178.48/710,473.20
  6. Step 6: Final answer
    x = 922,631.40

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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.