Home / 982,942.78-1,356,504.70-553,250.74

Finding the Fourth Proportional to 982,942.78, 1,356,504.70 and 553,250.74

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Solution

The fourth proportional to 982,942.78, 1,356,504.70 and 553,250.74 is: 763,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,942.78 : 1,356,504.70 = 553,250.74 : x
  2. Step 2: Convert to fraction form
    982,942.78/1,356,504.70 = 553,250.74/x
  3. Step 3: Cross multiply
    982,942.78x = 1,356,504.70 × 553,250.74
  4. Step 4: Simplify right side
    982,942.78x = 750,487,229,088.48
  5. Step 5: Solve for x
    x = 750,487,229,088.48/982,942.78
  6. Step 6: Final answer
    x = 763,510.60

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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.