Home / 770,031.64-1,155,126.67-290,663.22

Finding the Fourth Proportional to 770,031.64, 1,155,126.67 and 290,663.22

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Solution

The fourth proportional to 770,031.64, 1,155,126.67 and 290,663.22 is: 436,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,031.64 : 1,155,126.67 = 290,663.22 : x
  2. Step 2: Convert to fraction form
    770,031.64/1,155,126.67 = 290,663.22/x
  3. Step 3: Cross multiply
    770,031.64x = 1,155,126.67 × 290,663.22
  4. Step 4: Simplify right side
    770,031.64x = 335,752,836,683.42
  5. Step 5: Solve for x
    x = 335,752,836,683.42/770,031.64
  6. Step 6: Final answer
    x = 436,024.73

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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.