Home / 940,679.12-1,298,160.60-510,959.12

Finding the Fourth Proportional to 940,679.12, 1,298,160.60 and 510,959.12

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Solution

The fourth proportional to 940,679.12, 1,298,160.60 and 510,959.12 is: 705,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,679.12 : 1,298,160.60 = 510,959.12 : x
  2. Step 2: Convert to fraction form
    940,679.12/1,298,160.60 = 510,959.12/x
  3. Step 3: Cross multiply
    940,679.12x = 1,298,160.60 × 510,959.12
  4. Step 4: Simplify right side
    940,679.12x = 663,306,997,794.67
  5. Step 5: Solve for x
    x = 663,306,997,794.67/940,679.12
  6. Step 6: Final answer
    x = 705,136.30

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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.