Home / 679,683.02-937,947.30-369,578.90

Finding the Fourth Proportional to 679,683.02, 937,947.30 and 369,578.90

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Solution

The fourth proportional to 679,683.02, 937,947.30 and 369,578.90 is: 510,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,683.02 : 937,947.30 = 369,578.90 : x
  2. Step 2: Convert to fraction form
    679,683.02/937,947.30 = 369,578.90/x
  3. Step 3: Cross multiply
    679,683.02x = 937,947.30 × 369,578.90
  4. Step 4: Simplify right side
    679,683.02x = 346,645,532,350.92
  5. Step 5: Solve for x
    x = 346,645,532,350.92/679,683.02
  6. Step 6: Final answer
    x = 510,010.59

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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.