Home / 1,045.02-1,441.80-602.85

Finding the Fourth Proportional to 1,045.02, 1,441.80 and 602.85

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Solution

The fourth proportional to 1,045.02, 1,441.80 and 602.85 is: 831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.02 : 1,441.80 = 602.85 : x
  2. Step 2: Convert to fraction form
    1,045.02/1,441.80 = 602.85/x
  3. Step 3: Cross multiply
    1,045.02x = 1,441.80 × 602.85
  4. Step 4: Simplify right side
    1,045.02x = 869,189.13
  5. Step 5: Solve for x
    x = 869,189.13/1,045.02
  6. Step 6: Final answer
    x = 831.74

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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.