Home / 761,808.24-1,142,953.74-458,534.52

Finding the Fourth Proportional to 761,808.24, 1,142,953.74 and 458,534.52

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Solution

The fourth proportional to 761,808.24, 1,142,953.74 and 458,534.52 is: 687,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,808.24 : 1,142,953.74 = 458,534.52 : x
  2. Step 2: Convert to fraction form
    761,808.24/1,142,953.74 = 458,534.52/x
  3. Step 3: Cross multiply
    761,808.24x = 1,142,953.74 × 458,534.52
  4. Step 4: Simplify right side
    761,808.24x = 524,083,744,553.11
  5. Step 5: Solve for x
    x = 524,083,744,553.11/761,808.24
  6. Step 6: Final answer
    x = 687,947.07

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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.