Home / 992,243.74-1,487,479.47-360,712.66

Finding the Fourth Proportional to 992,243.74, 1,487,479.47 and 360,712.66

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Solution

The fourth proportional to 992,243.74, 1,487,479.47 and 360,712.66 is: 540,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,243.74 : 1,487,479.47 = 360,712.66 : x
  2. Step 2: Convert to fraction form
    992,243.74/1,487,479.47 = 360,712.66/x
  3. Step 3: Cross multiply
    992,243.74x = 1,487,479.47 × 360,712.66
  4. Step 4: Simplify right side
    992,243.74x = 536,552,676,319.09
  5. Step 5: Solve for x
    x = 536,552,676,319.09/992,243.74
  6. Step 6: Final answer
    x = 540,746.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.