Home / 620,306.02-930,448.23-339,670.18

Finding the Fourth Proportional to 620,306.02, 930,448.23 and 339,670.18

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Solution

The fourth proportional to 620,306.02, 930,448.23 and 339,670.18 is: 509,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,306.02 : 930,448.23 = 339,670.18 : x
  2. Step 2: Convert to fraction form
    620,306.02/930,448.23 = 339,670.18/x
  3. Step 3: Cross multiply
    620,306.02x = 930,448.23 × 339,670.18
  4. Step 4: Simplify right side
    620,306.02x = 316,045,517,764.78
  5. Step 5: Solve for x
    x = 316,045,517,764.78/620,306.02
  6. Step 6: Final answer
    x = 509,499.36

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1.5x scale

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.