Home / 709,065.79-1,062,711.70-354,178.87

Finding the Fourth Proportional to 709,065.79, 1,062,711.70 and 354,178.87

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Solution

The fourth proportional to 709,065.79, 1,062,711.70 and 354,178.87 is: 530,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,065.79 : 1,062,711.70 = 354,178.87 : x
  2. Step 2: Convert to fraction form
    709,065.79/1,062,711.70 = 354,178.87/x
  3. Step 3: Cross multiply
    709,065.79x = 1,062,711.70 × 354,178.87
  4. Step 4: Simplify right side
    709,065.79x = 376,390,025,499.55
  5. Step 5: Solve for x
    x = 376,390,025,499.55/709,065.79
  6. Step 6: Final answer
    x = 530,825.25

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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.