Home / 740,630.76-1,022,068.20-401,098.92

Finding the Fourth Proportional to 740,630.76, 1,022,068.20 and 401,098.92

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Solution

The fourth proportional to 740,630.76, 1,022,068.20 and 401,098.92 is: 553,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,630.76 : 1,022,068.20 = 401,098.92 : x
  2. Step 2: Convert to fraction form
    740,630.76/1,022,068.20 = 401,098.92/x
  3. Step 3: Cross multiply
    740,630.76x = 1,022,068.20 × 401,098.92
  4. Step 4: Simplify right side
    740,630.76x = 409,950,451,186.34
  5. Step 5: Solve for x
    x = 409,950,451,186.34/740,630.76
  6. Step 6: Final answer
    x = 553,515.29

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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.