Home / 579,750.30-870,057.45-299,123.10

Finding the Fourth Proportional to 579,750.30, 870,057.45 and 299,123.10

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Solution

The fourth proportional to 579,750.30, 870,057.45 and 299,123.10 is: 448,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,750.30 : 870,057.45 = 299,123.10 : x
  2. Step 2: Convert to fraction form
    579,750.30/870,057.45 = 299,123.10/x
  3. Step 3: Cross multiply
    579,750.30x = 870,057.45 × 299,123.10
  4. Step 4: Simplify right side
    579,750.30x = 260,254,281,622.10
  5. Step 5: Solve for x
    x = 260,254,281,622.10/579,750.30
  6. Step 6: Final answer
    x = 448,907.54

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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.