Home / 656,587.04-906,090.36-354,781.04

Finding the Fourth Proportional to 656,587.04, 906,090.36 and 354,781.04

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Solution

The fourth proportional to 656,587.04, 906,090.36 and 354,781.04 is: 489,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,587.04 : 906,090.36 = 354,781.04 : x
  2. Step 2: Convert to fraction form
    656,587.04/906,090.36 = 354,781.04/x
  3. Step 3: Cross multiply
    656,587.04x = 906,090.36 × 354,781.04
  4. Step 4: Simplify right side
    656,587.04x = 321,463,680,254.77
  5. Step 5: Solve for x
    x = 321,463,680,254.77/656,587.04
  6. Step 6: Final answer
    x = 489,597.97

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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.