Home / 900,944.28-1,243,303.20-493,046.28

Finding the Fourth Proportional to 900,944.28, 1,243,303.20 and 493,046.28

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Solution

The fourth proportional to 900,944.28, 1,243,303.20 and 493,046.28 is: 680,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,944.28 : 1,243,303.20 = 493,046.28 : x
  2. Step 2: Convert to fraction form
    900,944.28/1,243,303.20 = 493,046.28/x
  3. Step 3: Cross multiply
    900,944.28x = 1,243,303.20 × 493,046.28
  4. Step 4: Simplify right side
    900,944.28x = 613,006,017,672.10
  5. Step 5: Solve for x
    x = 613,006,017,672.10/900,944.28
  6. Step 6: Final answer
    x = 680,403.92

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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.