Home / 745,566.60-1,117,475.10-319,101.60

Finding the Fourth Proportional to 745,566.60, 1,117,475.10 and 319,101.60

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Solution

The fourth proportional to 745,566.60, 1,117,475.10 and 319,101.60 is: 478,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,566.60 : 1,117,475.10 = 319,101.60 : x
  2. Step 2: Convert to fraction form
    745,566.60/1,117,475.10 = 319,101.60/x
  3. Step 3: Cross multiply
    745,566.60x = 1,117,475.10 × 319,101.60
  4. Step 4: Simplify right side
    745,566.60x = 356,588,092,370.16
  5. Step 5: Solve for x
    x = 356,588,092,370.16/745,566.60
  6. Step 6: Final answer
    x = 478,277.99

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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.