Home / 890,398.02-1,335,607.29-321,822.30

Finding the Fourth Proportional to 890,398.02, 1,335,607.29 and 321,822.30

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Solution

The fourth proportional to 890,398.02, 1,335,607.29 and 321,822.30 is: 482,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,398.02 : 1,335,607.29 = 321,822.30 : x
  2. Step 2: Convert to fraction form
    890,398.02/1,335,607.29 = 321,822.30/x
  3. Step 3: Cross multiply
    890,398.02x = 1,335,607.29 × 321,822.30
  4. Step 4: Simplify right side
    890,398.02x = 429,828,209,964.57
  5. Step 5: Solve for x
    x = 429,828,209,964.57/890,398.02
  6. Step 6: Final answer
    x = 482,737.16

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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.