Home / 839,371.36-1,158,332.52-457,398.04

Finding the Fourth Proportional to 839,371.36, 1,158,332.52 and 457,398.04

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Solution

The fourth proportional to 839,371.36, 1,158,332.52 and 457,398.04 is: 631,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,371.36 : 1,158,332.52 = 457,398.04 : x
  2. Step 2: Convert to fraction form
    839,371.36/1,158,332.52 = 457,398.04/x
  3. Step 3: Cross multiply
    839,371.36x = 1,158,332.52 × 457,398.04
  4. Step 4: Simplify right side
    839,371.36x = 529,819,024,316.26
  5. Step 5: Solve for x
    x = 529,819,024,316.26/839,371.36
  6. Step 6: Final answer
    x = 631,209.32

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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.