Home / 839,465.50-1,158,470.60-457,500.48

Finding the Fourth Proportional to 839,465.50, 1,158,470.60 and 457,500.48

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Solution

The fourth proportional to 839,465.50, 1,158,470.60 and 457,500.48 is: 631,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,465.50 : 1,158,470.60 = 457,500.48 : x
  2. Step 2: Convert to fraction form
    839,465.50/1,158,470.60 = 457,500.48/x
  3. Step 3: Cross multiply
    839,465.50x = 1,158,470.60 × 457,500.48
  4. Step 4: Simplify right side
    839,465.50x = 530,000,855,565.89
  5. Step 5: Solve for x
    x = 530,000,855,565.89/839,465.50
  6. Step 6: Final answer
    x = 631,355.14

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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.