Home / 710,715.16-1,065,211.24-521,977.08

Finding the Fourth Proportional to 710,715.16, 1,065,211.24 and 521,977.08

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Solution

The fourth proportional to 710,715.16, 1,065,211.24 and 521,977.08 is: 782,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,715.16 : 1,065,211.24 = 521,977.08 : x
  2. Step 2: Convert to fraction form
    710,715.16/1,065,211.24 = 521,977.08/x
  3. Step 3: Cross multiply
    710,715.16x = 1,065,211.24 × 521,977.08
  4. Step 4: Simplify right side
    710,715.16x = 556,015,852,638.38
  5. Step 5: Solve for x
    x = 556,015,852,638.38/710,715.16
  6. Step 6: Final answer
    x = 782,332.90

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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.