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Finding the Fourth Proportional to 903.06, 1,246.15 and 510.11

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Solution

The fourth proportional to 903.06, 1,246.15 and 510.11 is: 703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.06 : 1,246.15 = 510.11 : x
  2. Step 2: Convert to fraction form
    903.06/1,246.15 = 510.11/x
  3. Step 3: Cross multiply
    903.06x = 1,246.15 × 510.11
  4. Step 4: Simplify right side
    903.06x = 635,672.66
  5. Step 5: Solve for x
    x = 635,672.66/903.06
  6. Step 6: Final answer
    x = 703.91

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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.