Home / 832,490.12-1,148,839.77-450,516.91

Finding the Fourth Proportional to 832,490.12, 1,148,839.77 and 450,516.91

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Solution

The fourth proportional to 832,490.12, 1,148,839.77 and 450,516.91 is: 621,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,490.12 : 1,148,839.77 = 450,516.91 : x
  2. Step 2: Convert to fraction form
    832,490.12/1,148,839.77 = 450,516.91/x
  3. Step 3: Cross multiply
    832,490.12x = 1,148,839.77 × 450,516.91
  4. Step 4: Simplify right side
    832,490.12x = 517,571,743,265.51
  5. Step 5: Solve for x
    x = 517,571,743,265.51/832,490.12
  6. Step 6: Final answer
    x = 621,715.18

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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.