Home / 988,030.80-1,482,046.20-356,965.20

Finding the Fourth Proportional to 988,030.80, 1,482,046.20 and 356,965.20

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Solution

The fourth proportional to 988,030.80, 1,482,046.20 and 356,965.20 is: 535,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,030.80 : 1,482,046.20 = 356,965.20 : x
  2. Step 2: Convert to fraction form
    988,030.80/1,482,046.20 = 356,965.20/x
  3. Step 3: Cross multiply
    988,030.80x = 1,482,046.20 × 356,965.20
  4. Step 4: Simplify right side
    988,030.80x = 529,038,918,192.24
  5. Step 5: Solve for x
    x = 529,038,918,192.24/988,030.80
  6. Step 6: Final answer
    x = 535,447.80

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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.