Home / 985,622.01-1,478,423.15-311,703.42

Finding the Fourth Proportional to 985,622.01, 1,478,423.15 and 311,703.42

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Solution

The fourth proportional to 985,622.01, 1,478,423.15 and 311,703.42 is: 467,552.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,622.01 : 1,478,423.15 = 311,703.42 : x
  2. Step 2: Convert to fraction form
    985,622.01/1,478,423.15 = 311,703.42/x
  3. Step 3: Cross multiply
    985,622.01x = 1,478,423.15 × 311,703.42
  4. Step 4: Simplify right side
    985,622.01x = 460,829,557,216.63
  5. Step 5: Solve for x
    x = 460,829,557,216.63/985,622.01
  6. Step 6: Final answer
    x = 467,552.02

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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.