Home / 904,948.86-1,248,839.70-497,060.28

Finding the Fourth Proportional to 904,948.86, 1,248,839.70 and 497,060.28

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Solution

The fourth proportional to 904,948.86, 1,248,839.70 and 497,060.28 is: 685,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,948.86 : 1,248,839.70 = 497,060.28 : x
  2. Step 2: Convert to fraction form
    904,948.86/1,248,839.70 = 497,060.28/x
  3. Step 3: Cross multiply
    904,948.86x = 1,248,839.70 × 497,060.28
  4. Step 4: Simplify right side
    904,948.86x = 620,748,610,957.12
  5. Step 5: Solve for x
    x = 620,748,610,957.12/904,948.86
  6. Step 6: Final answer
    x = 685,948.83

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1.5x scale

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.