Home / 754,904.40-1,041,424.81-448,807.11

Finding the Fourth Proportional to 754,904.40, 1,041,424.81 and 448,807.11

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Solution

The fourth proportional to 754,904.40, 1,041,424.81 and 448,807.11 is: 619,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,904.40 : 1,041,424.81 = 448,807.11 : x
  2. Step 2: Convert to fraction form
    754,904.40/1,041,424.81 = 448,807.11/x
  3. Step 3: Cross multiply
    754,904.40x = 1,041,424.81 × 448,807.11
  4. Step 4: Simplify right side
    754,904.40x = 467,398,859,258.40
  5. Step 5: Solve for x
    x = 467,398,859,258.40/754,904.40
  6. Step 6: Final answer
    x = 619,149.74

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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.