Home / 762,937.76-1,052,805.12-476,440.76

Finding the Fourth Proportional to 762,937.76, 1,052,805.12 and 476,440.76

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Solution

The fourth proportional to 762,937.76, 1,052,805.12 and 476,440.76 is: 657,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,937.76 : 1,052,805.12 = 476,440.76 : x
  2. Step 2: Convert to fraction form
    762,937.76/1,052,805.12 = 476,440.76/x
  3. Step 3: Cross multiply
    762,937.76x = 1,052,805.12 × 476,440.76
  4. Step 4: Simplify right side
    762,937.76x = 501,599,271,504.69
  5. Step 5: Solve for x
    x = 501,599,271,504.69/762,937.76
  6. Step 6: Final answer
    x = 657,457.66

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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.