Home / 762,534.69-1,143,411.11-402,898.94

Finding the Fourth Proportional to 762,534.69, 1,143,411.11 and 402,898.94

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Solution

The fourth proportional to 762,534.69, 1,143,411.11 and 402,898.94 is: 604,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,534.69 : 1,143,411.11 = 402,898.94 : x
  2. Step 2: Convert to fraction form
    762,534.69/1,143,411.11 = 402,898.94/x
  3. Step 3: Cross multiply
    762,534.69x = 1,143,411.11 × 402,898.94
  4. Step 4: Simplify right side
    762,534.69x = 460,679,128,702.02
  5. Step 5: Solve for x
    x = 460,679,128,702.02/762,534.69
  6. Step 6: Final answer
    x = 604,141.86

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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.