Home / 676,445.10-932,410.20-458,587.08

Finding the Fourth Proportional to 676,445.10, 932,410.20 and 458,587.08

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Solution

The fourth proportional to 676,445.10, 932,410.20 and 458,587.08 is: 632,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,445.10 : 932,410.20 = 458,587.08 : x
  2. Step 2: Convert to fraction form
    676,445.10/932,410.20 = 458,587.08/x
  3. Step 3: Cross multiply
    676,445.10x = 932,410.20 × 458,587.08
  4. Step 4: Simplify right side
    676,445.10x = 427,591,270,980.22
  5. Step 5: Solve for x
    x = 427,591,270,980.22/676,445.10
  6. Step 6: Final answer
    x = 632,115.26

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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.