Home / 918,587.24-1,377,613.02-357,488.36

Finding the Fourth Proportional to 918,587.24, 1,377,613.02 and 357,488.36

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Solution

The fourth proportional to 918,587.24, 1,377,613.02 and 357,488.36 is: 536,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,587.24 : 1,377,613.02 = 357,488.36 : x
  2. Step 2: Convert to fraction form
    918,587.24/1,377,613.02 = 357,488.36/x
  3. Step 3: Cross multiply
    918,587.24x = 1,377,613.02 × 357,488.36
  4. Step 4: Simplify right side
    918,587.24x = 492,480,619,234.45
  5. Step 5: Solve for x
    x = 492,480,619,234.45/918,587.24
  6. Step 6: Final answer
    x = 536,128.30

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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.