Home / 849,689.20-1,172,599.88-462,518.74

Finding the Fourth Proportional to 849,689.20, 1,172,599.88 and 462,518.74

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Solution

The fourth proportional to 849,689.20, 1,172,599.88 and 462,518.74 is: 638,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,689.20 : 1,172,599.88 = 462,518.74 : x
  2. Step 2: Convert to fraction form
    849,689.20/1,172,599.88 = 462,518.74/x
  3. Step 3: Cross multiply
    849,689.20x = 1,172,599.88 × 462,518.74
  4. Step 4: Simplify right side
    849,689.20x = 542,349,418,174.91
  5. Step 5: Solve for x
    x = 542,349,418,174.91/849,689.20
  6. Step 6: Final answer
    x = 638,291.53

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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.