Home / 885,730.04-1,328,805.95-286,691.30

Finding the Fourth Proportional to 885,730.04, 1,328,805.95 and 286,691.30

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Solution

The fourth proportional to 885,730.04, 1,328,805.95 and 286,691.30 is: 430,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,730.04 : 1,328,805.95 = 286,691.30 : x
  2. Step 2: Convert to fraction form
    885,730.04/1,328,805.95 = 286,691.30/x
  3. Step 3: Cross multiply
    885,730.04x = 1,328,805.95 × 286,691.30
  4. Step 4: Simplify right side
    885,730.04x = 380,957,097,175.75
  5. Step 5: Solve for x
    x = 380,957,097,175.75/885,730.04
  6. Step 6: Final answer
    x = 430,105.20

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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.