Home / 637,031.20-879,080.70-350,543.92

Finding the Fourth Proportional to 637,031.20, 879,080.70 and 350,543.92

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Solution

The fourth proportional to 637,031.20, 879,080.70 and 350,543.92 is: 483,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,031.20 : 879,080.70 = 350,543.92 : x
  2. Step 2: Convert to fraction form
    637,031.20/879,080.70 = 350,543.92/x
  3. Step 3: Cross multiply
    637,031.20x = 879,080.70 × 350,543.92
  4. Step 4: Simplify right side
    637,031.20x = 308,156,394,574.34
  5. Step 5: Solve for x
    x = 308,156,394,574.34/637,031.20
  6. Step 6: Final answer
    x = 483,738.31

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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.