Home / 839,480.24-1,158,448.92-457,498.76

Finding the Fourth Proportional to 839,480.24, 1,158,448.92 and 457,498.76

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Solution

The fourth proportional to 839,480.24, 1,158,448.92 and 457,498.76 is: 631,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,480.24 : 1,158,448.92 = 457,498.76 : x
  2. Step 2: Convert to fraction form
    839,480.24/1,158,448.92 = 457,498.76/x
  3. Step 3: Cross multiply
    839,480.24x = 1,158,448.92 × 457,498.76
  4. Step 4: Simplify right side
    839,480.24x = 529,988,944,423.34
  5. Step 5: Solve for x
    x = 529,988,944,423.34/839,480.24
  6. Step 6: Final answer
    x = 631,329.86

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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.