Home / 749,475.20-1,034,300.40-409,943.48

Finding the Fourth Proportional to 749,475.20, 1,034,300.40 and 409,943.48

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Solution

The fourth proportional to 749,475.20, 1,034,300.40 and 409,943.48 is: 565,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,475.20 : 1,034,300.40 = 409,943.48 : x
  2. Step 2: Convert to fraction form
    749,475.20/1,034,300.40 = 409,943.48/x
  3. Step 3: Cross multiply
    749,475.20x = 1,034,300.40 × 409,943.48
  4. Step 4: Simplify right side
    749,475.20x = 424,004,705,341.39
  5. Step 5: Solve for x
    x = 424,004,705,341.39/749,475.20
  6. Step 6: Final answer
    x = 565,735.47

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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.