Home / 717,465.60-1,074,124.80-437,529.60

Finding the Fourth Proportional to 717,465.60, 1,074,124.80 and 437,529.60

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Solution

The fourth proportional to 717,465.60, 1,074,124.80 and 437,529.60 is: 655,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,465.60 : 1,074,124.80 = 437,529.60 : x
  2. Step 2: Convert to fraction form
    717,465.60/1,074,124.80 = 437,529.60/x
  3. Step 3: Cross multiply
    717,465.60x = 1,074,124.80 × 437,529.60
  4. Step 4: Simplify right side
    717,465.60x = 469,961,394,094.08
  5. Step 5: Solve for x
    x = 469,961,394,094.08/717,465.60
  6. Step 6: Final answer
    x = 655,029.86

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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.