Home / 750,817.92-1,035,298.48-478,454.40

Finding the Fourth Proportional to 750,817.92, 1,035,298.48 and 478,454.40

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Solution

The fourth proportional to 750,817.92, 1,035,298.48 and 478,454.40 is: 659,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,817.92 : 1,035,298.48 = 478,454.40 : x
  2. Step 2: Convert to fraction form
    750,817.92/1,035,298.48 = 478,454.40/x
  3. Step 3: Cross multiply
    750,817.92x = 1,035,298.48 × 478,454.40
  4. Step 4: Simplify right side
    750,817.92x = 495,343,113,069.31
  5. Step 5: Solve for x
    x = 495,343,113,069.31/750,817.92
  6. Step 6: Final answer
    x = 659,738.00

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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.