Home / 982,867.69-1,356,401.06-553,175.65

Finding the Fourth Proportional to 982,867.69, 1,356,401.06 and 553,175.65

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Solution

The fourth proportional to 982,867.69, 1,356,401.06 and 553,175.65 is: 763,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,867.69 : 1,356,401.06 = 553,175.65 : x
  2. Step 2: Convert to fraction form
    982,867.69/1,356,401.06 = 553,175.65/x
  3. Step 3: Cross multiply
    982,867.69x = 1,356,401.06 × 553,175.65
  4. Step 4: Simplify right side
    982,867.69x = 750,328,038,026.19
  5. Step 5: Solve for x
    x = 750,328,038,026.19/982,867.69
  6. Step 6: Final answer
    x = 763,406.96

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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.