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Finding the Fourth Proportional to 478,354.24, 655,348.52 and 460,417.60

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Solution

The fourth proportional to 478,354.24, 655,348.52 and 460,417.60 is: 630,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,354.24 : 655,348.52 = 460,417.60 : x
  2. Step 2: Convert to fraction form
    478,354.24/655,348.52 = 460,417.60/x
  3. Step 3: Cross multiply
    478,354.24x = 655,348.52 × 460,417.60
  4. Step 4: Simplify right side
    478,354.24x = 301,733,992,741.95
  5. Step 5: Solve for x
    x = 301,733,992,741.95/478,354.24
  6. Step 6: Final answer
    x = 630,775.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.