Home / 877,557.60-1,316,336.40-718,125.30

Finding the Fourth Proportional to 877,557.60, 1,316,336.40 and 718,125.30

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Solution

The fourth proportional to 877,557.60, 1,316,336.40 and 718,125.30 is: 1,077,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,557.60 : 1,316,336.40 = 718,125.30 : x
  2. Step 2: Convert to fraction form
    877,557.60/1,316,336.40 = 718,125.30/x
  3. Step 3: Cross multiply
    877,557.60x = 1,316,336.40 × 718,125.30
  4. Step 4: Simplify right side
    877,557.60x = 945,294,472,150.92
  5. Step 5: Solve for x
    x = 945,294,472,150.92/877,557.60
  6. Step 6: Final answer
    x = 1,077,187.95

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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.