Home / 736,503.76-1,016,031.90-478,362.34

Finding the Fourth Proportional to 736,503.76, 1,016,031.90 and 478,362.34

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Solution

The fourth proportional to 736,503.76, 1,016,031.90 and 478,362.34 is: 659,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,503.76 : 1,016,031.90 = 478,362.34 : x
  2. Step 2: Convert to fraction form
    736,503.76/1,016,031.90 = 478,362.34/x
  3. Step 3: Cross multiply
    736,503.76x = 1,016,031.90 × 478,362.34
  4. Step 4: Simplify right side
    736,503.76x = 486,031,397,198.65
  5. Step 5: Solve for x
    x = 486,031,397,198.65/736,503.76
  6. Step 6: Final answer
    x = 659,917.06

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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.