Home / 761,787.56-1,051,266.68-417,625.92

Finding the Fourth Proportional to 761,787.56, 1,051,266.68 and 417,625.92

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Solution

The fourth proportional to 761,787.56, 1,051,266.68 and 417,625.92 is: 576,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,787.56 : 1,051,266.68 = 417,625.92 : x
  2. Step 2: Convert to fraction form
    761,787.56/1,051,266.68 = 417,625.92/x
  3. Step 3: Cross multiply
    761,787.56x = 1,051,266.68 × 417,625.92
  4. Step 4: Simplify right side
    761,787.56x = 439,036,217,820.56
  5. Step 5: Solve for x
    x = 439,036,217,820.56/761,787.56
  6. Step 6: Final answer
    x = 576,323.69

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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.