Home / 992,330.64-1,369,391.76-578,946.60

Finding the Fourth Proportional to 992,330.64, 1,369,391.76 and 578,946.60

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Solution

The fourth proportional to 992,330.64, 1,369,391.76 and 578,946.60 is: 798,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,330.64 : 1,369,391.76 = 578,946.60 : x
  2. Step 2: Convert to fraction form
    992,330.64/1,369,391.76 = 578,946.60/x
  3. Step 3: Cross multiply
    992,330.64x = 1,369,391.76 × 578,946.60
  4. Step 4: Simplify right side
    992,330.64x = 792,804,703,520.02
  5. Step 5: Solve for x
    x = 792,804,703,520.02/992,330.64
  6. Step 6: Final answer
    x = 798,932.00

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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.