Home / 918,091.18-1,266,885.15-510,167.17

Finding the Fourth Proportional to 918,091.18, 1,266,885.15 and 510,167.17

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Solution

The fourth proportional to 918,091.18, 1,266,885.15 and 510,167.17 is: 703,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,091.18 : 1,266,885.15 = 510,167.17 : x
  2. Step 2: Convert to fraction form
    918,091.18/1,266,885.15 = 510,167.17/x
  3. Step 3: Cross multiply
    918,091.18x = 1,266,885.15 × 510,167.17
  4. Step 4: Simplify right side
    918,091.18x = 646,323,211,690.53
  5. Step 5: Solve for x
    x = 646,323,211,690.53/918,091.18
  6. Step 6: Final answer
    x = 703,985.86

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Double scale
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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.