Home / 982,934.78-1,356,493.65-553,242.74

Finding the Fourth Proportional to 982,934.78, 1,356,493.65 and 553,242.74

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Solution

The fourth proportional to 982,934.78, 1,356,493.65 and 553,242.74 is: 763,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,934.78 : 1,356,493.65 = 553,242.74 : x
  2. Step 2: Convert to fraction form
    982,934.78/1,356,493.65 = 553,242.74/x
  3. Step 3: Cross multiply
    982,934.78x = 1,356,493.65 × 553,242.74
  4. Step 4: Simplify right side
    982,934.78x = 750,470,263,718.60
  5. Step 5: Solve for x
    x = 750,470,263,718.60/982,934.78
  6. Step 6: Final answer
    x = 763,499.55

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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.