Home / 761,608.98-1,051,031.87-417,442.20

Finding the Fourth Proportional to 761,608.98, 1,051,031.87 and 417,442.20

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Solution

The fourth proportional to 761,608.98, 1,051,031.87 and 417,442.20 is: 576,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,608.98 : 1,051,031.87 = 417,442.20 : x
  2. Step 2: Convert to fraction form
    761,608.98/1,051,031.87 = 417,442.20/x
  3. Step 3: Cross multiply
    761,608.98x = 1,051,031.87 × 417,442.20
  4. Step 4: Simplify right side
    761,608.98x = 438,745,056,082.91
  5. Step 5: Solve for x
    x = 438,745,056,082.91/761,608.98
  6. Step 6: Final answer
    x = 576,076.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.