Home / 748,766.79-1,033,298.15-404,602.71

Finding the Fourth Proportional to 748,766.79, 1,033,298.15 and 404,602.71

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Solution

The fourth proportional to 748,766.79, 1,033,298.15 and 404,602.71 is: 558,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,766.79 : 1,033,298.15 = 404,602.71 : x
  2. Step 2: Convert to fraction form
    748,766.79/1,033,298.15 = 404,602.71/x
  3. Step 3: Cross multiply
    748,766.79x = 1,033,298.15 × 404,602.71
  4. Step 4: Simplify right side
    748,766.79x = 418,075,236,824.45
  5. Step 5: Solve for x
    x = 418,075,236,824.45/748,766.79
  6. Step 6: Final answer
    x = 558,351.73

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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.