Home / 875,365.30-1,209,000.57-588,387.16

Finding the Fourth Proportional to 875,365.30, 1,209,000.57 and 588,387.16

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Solution

The fourth proportional to 875,365.30, 1,209,000.57 and 588,387.16 is: 812,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,365.30 : 1,209,000.57 = 588,387.16 : x
  2. Step 2: Convert to fraction form
    875,365.30/1,209,000.57 = 588,387.16/x
  3. Step 3: Cross multiply
    875,365.30x = 1,209,000.57 × 588,387.16
  4. Step 4: Simplify right side
    875,365.30x = 711,360,411,820.68
  5. Step 5: Solve for x
    x = 711,360,411,820.68/875,365.30
  6. Step 6: Final answer
    x = 812,644.06

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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.