Home / 551,359.20-827,038.80-458,047.20

Finding the Fourth Proportional to 551,359.20, 827,038.80 and 458,047.20

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Solution

The fourth proportional to 551,359.20, 827,038.80 and 458,047.20 is: 687,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,359.20 : 827,038.80 = 458,047.20 : x
  2. Step 2: Convert to fraction form
    551,359.20/827,038.80 = 458,047.20/x
  3. Step 3: Cross multiply
    551,359.20x = 827,038.80 × 458,047.20
  4. Step 4: Simplify right side
    551,359.20x = 378,822,806,631.36
  5. Step 5: Solve for x
    x = 378,822,806,631.36/551,359.20
  6. Step 6: Final answer
    x = 687,070.80

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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.