Home / 1,045.04-1,442.17-572.98

Finding the Fourth Proportional to 1,045.04, 1,442.17 and 572.98

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Solution

The fourth proportional to 1,045.04, 1,442.17 and 572.98 is: 790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.04 : 1,442.17 = 572.98 : x
  2. Step 2: Convert to fraction form
    1,045.04/1,442.17 = 572.98/x
  3. Step 3: Cross multiply
    1,045.04x = 1,442.17 × 572.98
  4. Step 4: Simplify right side
    1,045.04x = 826,328.71
  5. Step 5: Solve for x
    x = 826,328.71/1,045.04
  6. Step 6: Final answer
    x = 790.72

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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.