Home / 832,420.17-1,148,742.90-450,446.94

Finding the Fourth Proportional to 832,420.17, 1,148,742.90 and 450,446.94

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Solution

The fourth proportional to 832,420.17, 1,148,742.90 and 450,446.94 is: 621,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,420.17 : 1,148,742.90 = 450,446.94 : x
  2. Step 2: Convert to fraction form
    832,420.17/1,148,742.90 = 450,446.94/x
  3. Step 3: Cross multiply
    832,420.17x = 1,148,742.90 × 450,446.94
  4. Step 4: Simplify right side
    832,420.17x = 517,447,724,151.73
  5. Step 5: Solve for x
    x = 517,447,724,151.73/832,420.17
  6. Step 6: Final answer
    x = 621,618.44

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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.