Home / 910,702.30-1,256,763.30-502,829.56

Finding the Fourth Proportional to 910,702.30, 1,256,763.30 and 502,829.56

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Solution

The fourth proportional to 910,702.30, 1,256,763.30 and 502,829.56 is: 693,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,702.30 : 1,256,763.30 = 502,829.56 : x
  2. Step 2: Convert to fraction form
    910,702.30/1,256,763.30 = 502,829.56/x
  3. Step 3: Cross multiply
    910,702.30x = 1,256,763.30 × 502,829.56
  4. Step 4: Simplify right side
    910,702.30x = 631,937,737,163.15
  5. Step 5: Solve for x
    x = 631,937,737,163.15/910,702.30
  6. Step 6: Final answer
    x = 693,901.55

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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.