Home / 824,752.80-1,235,948.40-469,015.20

Finding the Fourth Proportional to 824,752.80, 1,235,948.40 and 469,015.20

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Solution

The fourth proportional to 824,752.80, 1,235,948.40 and 469,015.20 is: 702,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,752.80 : 1,235,948.40 = 469,015.20 : x
  2. Step 2: Convert to fraction form
    824,752.80/1,235,948.40 = 469,015.20/x
  3. Step 3: Cross multiply
    824,752.80x = 1,235,948.40 × 469,015.20
  4. Step 4: Simplify right side
    824,752.80x = 579,678,586,015.68
  5. Step 5: Solve for x
    x = 579,678,586,015.68/824,752.80
  6. Step 6: Final answer
    x = 702,851.31

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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.