Home / 732,785.09-1,011,243.22-401,639.12

Finding the Fourth Proportional to 732,785.09, 1,011,243.22 and 401,639.12

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Solution

The fourth proportional to 732,785.09, 1,011,243.22 and 401,639.12 is: 554,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,785.09 : 1,011,243.22 = 401,639.12 : x
  2. Step 2: Convert to fraction form
    732,785.09/1,011,243.22 = 401,639.12/x
  3. Step 3: Cross multiply
    732,785.09x = 1,011,243.22 × 401,639.12
  4. Step 4: Simplify right side
    732,785.09x = 406,154,836,986.77
  5. Step 5: Solve for x
    x = 406,154,836,986.77/732,785.09
  6. Step 6: Final answer
    x = 554,261.87

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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.