Home / 877,346.92-1,316,020.24-478,323.24

Finding the Fourth Proportional to 877,346.92, 1,316,020.24 and 478,323.24

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Solution

The fourth proportional to 877,346.92, 1,316,020.24 and 478,323.24 is: 717,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,346.92 : 1,316,020.24 = 478,323.24 : x
  2. Step 2: Convert to fraction form
    877,346.92/1,316,020.24 = 478,323.24/x
  3. Step 3: Cross multiply
    877,346.92x = 1,316,020.24 × 478,323.24
  4. Step 4: Simplify right side
    877,346.92x = 629,483,065,102.38
  5. Step 5: Solve for x
    x = 629,483,065,102.38/877,346.92
  6. Step 6: Final answer
    x = 717,484.78

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Double scale
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Similar ratio
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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.