Home / 766,676.04-1,058,017.08-439,963.02

Finding the Fourth Proportional to 766,676.04, 1,058,017.08 and 439,963.02

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Solution

The fourth proportional to 766,676.04, 1,058,017.08 and 439,963.02 is: 607,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,676.04 : 1,058,017.08 = 439,963.02 : x
  2. Step 2: Convert to fraction form
    766,676.04/1,058,017.08 = 439,963.02/x
  3. Step 3: Cross multiply
    766,676.04x = 1,058,017.08 × 439,963.02
  4. Step 4: Simplify right side
    766,676.04x = 465,488,389,728.38
  5. Step 5: Solve for x
    x = 465,488,389,728.38/766,676.04
  6. Step 6: Final answer
    x = 607,151.35

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Double scale
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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.