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Finding the Fourth Proportional to 459,802.86, 634,319.53 and 332,276.46

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Solution

The fourth proportional to 459,802.86, 634,319.53 and 332,276.46 is: 458,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,802.86 : 634,319.53 = 332,276.46 : x
  2. Step 2: Convert to fraction form
    459,802.86/634,319.53 = 332,276.46/x
  3. Step 3: Cross multiply
    459,802.86x = 634,319.53 × 332,276.46
  4. Step 4: Simplify right side
    459,802.86x = 210,769,447,937.26
  5. Step 5: Solve for x
    x = 210,769,447,937.26/459,802.86
  6. Step 6: Final answer
    x = 458,390.90

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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.