Home / 817,032.60-1,127,488.62-454,448.64

Finding the Fourth Proportional to 817,032.60, 1,127,488.62 and 454,448.64

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Solution

The fourth proportional to 817,032.60, 1,127,488.62 and 454,448.64 is: 627,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,032.60 : 1,127,488.62 = 454,448.64 : x
  2. Step 2: Convert to fraction form
    817,032.60/1,127,488.62 = 454,448.64/x
  3. Step 3: Cross multiply
    817,032.60x = 1,127,488.62 × 454,448.64
  4. Step 4: Simplify right side
    817,032.60x = 512,385,669,974.48
  5. Step 5: Solve for x
    x = 512,385,669,974.48/817,032.60
  6. Step 6: Final answer
    x = 627,130.02

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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.