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Finding the Fourth Proportional to 478,313.66, 717,470.48 and 416,727.74

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Solution

The fourth proportional to 478,313.66, 717,470.48 and 416,727.74 is: 625,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,313.66 : 717,470.48 = 416,727.74 : x
  2. Step 2: Convert to fraction form
    478,313.66/717,470.48 = 416,727.74/x
  3. Step 3: Cross multiply
    478,313.66x = 717,470.48 × 416,727.74
  4. Step 4: Simplify right side
    478,313.66x = 298,989,849,101.58
  5. Step 5: Solve for x
    x = 298,989,849,101.58/478,313.66
  6. Step 6: Final answer
    x = 625,091.60

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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.