Home / 903,790.95-1,247,276.78-516,626.34

Finding the Fourth Proportional to 903,790.95, 1,247,276.78 and 516,626.34

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Solution

The fourth proportional to 903,790.95, 1,247,276.78 and 516,626.34 is: 712,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,790.95 : 1,247,276.78 = 516,626.34 : x
  2. Step 2: Convert to fraction form
    903,790.95/1,247,276.78 = 516,626.34/x
  3. Step 3: Cross multiply
    903,790.95x = 1,247,276.78 × 516,626.34
  4. Step 4: Simplify right side
    903,790.95x = 644,376,037,818.39
  5. Step 5: Solve for x
    x = 644,376,037,818.39/903,790.95
  6. Step 6: Final answer
    x = 712,970.23

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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.