Home / 907,726.74-1,360,959.54-402,012.12

Finding the Fourth Proportional to 907,726.74, 1,360,959.54 and 402,012.12

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Solution

The fourth proportional to 907,726.74, 1,360,959.54 and 402,012.12 is: 602,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,726.74 : 1,360,959.54 = 402,012.12 : x
  2. Step 2: Convert to fraction form
    907,726.74/1,360,959.54 = 402,012.12/x
  3. Step 3: Cross multiply
    907,726.74x = 1,360,959.54 × 402,012.12
  4. Step 4: Simplify right side
    907,726.74x = 547,122,229,909.63
  5. Step 5: Solve for x
    x = 547,122,229,909.63/907,726.74
  6. Step 6: Final answer
    x = 602,738.91

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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.