Home / 985,852.80-1,479,041.19-311,946.08

Finding the Fourth Proportional to 985,852.80, 1,479,041.19 and 311,946.08

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Solution

The fourth proportional to 985,852.80, 1,479,041.19 and 311,946.08 is: 468,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,852.80 : 1,479,041.19 = 311,946.08 : x
  2. Step 2: Convert to fraction form
    985,852.80/1,479,041.19 = 311,946.08/x
  3. Step 3: Cross multiply
    985,852.80x = 1,479,041.19 × 311,946.08
  4. Step 4: Simplify right side
    985,852.80x = 461,381,093,983.83
  5. Step 5: Solve for x
    x = 461,381,093,983.83/985,852.80
  6. Step 6: Final answer
    x = 468,002.01

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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.