Home / 839,007.68-1,157,790.76-476,384.04

Finding the Fourth Proportional to 839,007.68, 1,157,790.76 and 476,384.04

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Solution

The fourth proportional to 839,007.68, 1,157,790.76 and 476,384.04 is: 657,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,007.68 : 1,157,790.76 = 476,384.04 : x
  2. Step 2: Convert to fraction form
    839,007.68/1,157,790.76 = 476,384.04/x
  3. Step 3: Cross multiply
    839,007.68x = 1,157,790.76 × 476,384.04
  4. Step 4: Simplify right side
    839,007.68x = 551,553,039,723.47
  5. Step 5: Solve for x
    x = 551,553,039,723.47/839,007.68
  6. Step 6: Final answer
    x = 657,387.36

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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.