Home / 898,580.40-1,240,315.56-554,521.56

Finding the Fourth Proportional to 898,580.40, 1,240,315.56 and 554,521.56

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Solution

The fourth proportional to 898,580.40, 1,240,315.56 and 554,521.56 is: 765,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,580.40 : 1,240,315.56 = 554,521.56 : x
  2. Step 2: Convert to fraction form
    898,580.40/1,240,315.56 = 554,521.56/x
  3. Step 3: Cross multiply
    898,580.40x = 1,240,315.56 × 554,521.56
  4. Step 4: Simplify right side
    898,580.40x = 687,781,719,223.47
  5. Step 5: Solve for x
    x = 687,781,719,223.47/898,580.40
  6. Step 6: Final answer
    x = 765,409.22

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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.