Home / 784,897.60-1,176,136.80-584,276.80

Finding the Fourth Proportional to 784,897.60, 1,176,136.80 and 584,276.80

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Solution

The fourth proportional to 784,897.60, 1,176,136.80 and 584,276.80 is: 875,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,897.60 : 1,176,136.80 = 584,276.80 : x
  2. Step 2: Convert to fraction form
    784,897.60/1,176,136.80 = 584,276.80/x
  3. Step 3: Cross multiply
    784,897.60x = 1,176,136.80 × 584,276.80
  4. Step 4: Simplify right side
    784,897.60x = 687,189,445,866.24
  5. Step 5: Solve for x
    x = 687,189,445,866.24/784,897.60
  6. Step 6: Final answer
    x = 875,514.78

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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.