Home / 418,347.06-577,121.75-303,373.47

Finding the Fourth Proportional to 418,347.06, 577,121.75 and 303,373.47

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Solution

The fourth proportional to 418,347.06, 577,121.75 and 303,373.47 is: 418,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,347.06 : 577,121.75 = 303,373.47 : x
  2. Step 2: Convert to fraction form
    418,347.06/577,121.75 = 303,373.47/x
  3. Step 3: Cross multiply
    418,347.06x = 577,121.75 × 303,373.47
  4. Step 4: Simplify right side
    418,347.06x = 175,083,426,393.11
  5. Step 5: Solve for x
    x = 175,083,426,393.11/418,347.06
  6. Step 6: Final answer
    x = 418,512.39

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1.5x scale

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.