Home / 964,990.02-1,331,660.52-557,078.07

Finding the Fourth Proportional to 964,990.02, 1,331,660.52 and 557,078.07

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Solution

The fourth proportional to 964,990.02, 1,331,660.52 and 557,078.07 is: 768,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,990.02 : 1,331,660.52 = 557,078.07 : x
  2. Step 2: Convert to fraction form
    964,990.02/1,331,660.52 = 557,078.07/x
  3. Step 3: Cross multiply
    964,990.02x = 1,331,660.52 × 557,078.07
  4. Step 4: Simplify right side
    964,990.02x = 741,838,872,376.80
  5. Step 5: Solve for x
    x = 741,838,872,376.80/964,990.02
  6. Step 6: Final answer
    x = 768,752.90

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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.