Home / 904,985.38-1,248,845.61-502,603.30

Finding the Fourth Proportional to 904,985.38, 1,248,845.61 and 502,603.30

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Solution

The fourth proportional to 904,985.38, 1,248,845.61 and 502,603.30 is: 693,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,985.38 : 1,248,845.61 = 502,603.30 : x
  2. Step 2: Convert to fraction form
    904,985.38/1,248,845.61 = 502,603.30/x
  3. Step 3: Cross multiply
    904,985.38x = 1,248,845.61 × 502,603.30
  4. Step 4: Simplify right side
    904,985.38x = 627,673,924,776.51
  5. Step 5: Solve for x
    x = 627,673,924,776.51/904,985.38
  6. Step 6: Final answer
    x = 693,573.55

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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.