Home / 877,543.20-1,316,314.80-718,110.90

Finding the Fourth Proportional to 877,543.20, 1,316,314.80 and 718,110.90

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Solution

The fourth proportional to 877,543.20, 1,316,314.80 and 718,110.90 is: 1,077,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,543.20 : 1,316,314.80 = 718,110.90 : x
  2. Step 2: Convert to fraction form
    877,543.20/1,316,314.80 = 718,110.90/x
  3. Step 3: Cross multiply
    877,543.20x = 1,316,314.80 × 718,110.90
  4. Step 4: Simplify right side
    877,543.20x = 945,260,005,711.32
  5. Step 5: Solve for x
    x = 945,260,005,711.32/877,543.20
  6. Step 6: Final answer
    x = 1,077,166.35

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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.