Home / 988,638.45-1,482,957.66-314,716.83

Finding the Fourth Proportional to 988,638.45, 1,482,957.66 and 314,716.83

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Solution

The fourth proportional to 988,638.45, 1,482,957.66 and 314,716.83 is: 472,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,638.45 : 1,482,957.66 = 314,716.83 : x
  2. Step 2: Convert to fraction form
    988,638.45/1,482,957.66 = 314,716.83/x
  3. Step 3: Cross multiply
    988,638.45x = 1,482,957.66 × 314,716.83
  4. Step 4: Simplify right side
    988,638.45x = 466,711,733,779.42
  5. Step 5: Solve for x
    x = 466,711,733,779.42/988,638.45
  6. Step 6: Final answer
    x = 472,075.24

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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.