Home / 912,039.92-1,258,740.20-524,847.40

Finding the Fourth Proportional to 912,039.92, 1,258,740.20 and 524,847.40

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Solution

The fourth proportional to 912,039.92, 1,258,740.20 and 524,847.40 is: 724,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,039.92 : 1,258,740.20 = 524,847.40 : x
  2. Step 2: Convert to fraction form
    912,039.92/1,258,740.20 = 524,847.40/x
  3. Step 3: Cross multiply
    912,039.92x = 1,258,740.20 × 524,847.40
  4. Step 4: Simplify right side
    912,039.92x = 660,646,521,245.48
  5. Step 5: Solve for x
    x = 660,646,521,245.48/912,039.92
  6. Step 6: Final answer
    x = 724,361.41

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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.