Home / 563,175.60-777,219.48-321,507.12

Finding the Fourth Proportional to 563,175.60, 777,219.48 and 321,507.12

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Solution

The fourth proportional to 563,175.60, 777,219.48 and 321,507.12 is: 443,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,175.60 : 777,219.48 = 321,507.12 : x
  2. Step 2: Convert to fraction form
    563,175.60/777,219.48 = 321,507.12/x
  3. Step 3: Cross multiply
    563,175.60x = 777,219.48 × 321,507.12
  4. Step 4: Simplify right side
    563,175.60x = 249,881,596,622.70
  5. Step 5: Solve for x
    x = 249,881,596,622.70/563,175.60
  6. Step 6: Final answer
    x = 443,701.04

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Double scale
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Similar ratio
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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.