Home / 924,945.12-1,387,549.92-285,302.88

Finding the Fourth Proportional to 924,945.12, 1,387,549.92 and 285,302.88

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Solution

The fourth proportional to 924,945.12, 1,387,549.92 and 285,302.88 is: 427,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,945.12 : 1,387,549.92 = 285,302.88 : x
  2. Step 2: Convert to fraction form
    924,945.12/1,387,549.92 = 285,302.88/x
  3. Step 3: Cross multiply
    924,945.12x = 1,387,549.92 × 285,302.88
  4. Step 4: Simplify right side
    924,945.12x = 395,871,988,319.77
  5. Step 5: Solve for x
    x = 395,871,988,319.77/924,945.12
  6. Step 6: Final answer
    x = 427,995.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.