Home / 679,488.10-1,017,014.31-499,525.87

Finding the Fourth Proportional to 679,488.10, 1,017,014.31 and 499,525.87

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Solution

The fourth proportional to 679,488.10, 1,017,014.31 and 499,525.87 is: 747,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,488.10 : 1,017,014.31 = 499,525.87 : x
  2. Step 2: Convert to fraction form
    679,488.10/1,017,014.31 = 499,525.87/x
  3. Step 3: Cross multiply
    679,488.10x = 1,017,014.31 × 499,525.87
  4. Step 4: Simplify right side
    679,488.10x = 508,024,958,005.20
  5. Step 5: Solve for x
    x = 508,024,958,005.20/679,488.10
  6. Step 6: Final answer
    x = 747,658.36

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1.5x scale

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.