Home / 668,034.72-1,001,741.04-387,632.16

Finding the Fourth Proportional to 668,034.72, 1,001,741.04 and 387,632.16

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Solution

The fourth proportional to 668,034.72, 1,001,741.04 and 387,632.16 is: 581,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,034.72 : 1,001,741.04 = 387,632.16 : x
  2. Step 2: Convert to fraction form
    668,034.72/1,001,741.04 = 387,632.16/x
  3. Step 3: Cross multiply
    668,034.72x = 1,001,741.04 × 387,632.16
  4. Step 4: Simplify right side
    668,034.72x = 388,307,043,095.85
  5. Step 5: Solve for x
    x = 388,307,043,095.85/668,034.72
  6. Step 6: Final answer
    x = 581,267.76

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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.