Home / 646,177.52-968,636.28-309,130.16

Finding the Fourth Proportional to 646,177.52, 968,636.28 and 309,130.16

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Solution

The fourth proportional to 646,177.52, 968,636.28 and 309,130.16 is: 463,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,177.52 : 968,636.28 = 309,130.16 : x
  2. Step 2: Convert to fraction form
    646,177.52/968,636.28 = 309,130.16/x
  3. Step 3: Cross multiply
    646,177.52x = 968,636.28 × 309,130.16
  4. Step 4: Simplify right side
    646,177.52x = 299,434,688,218.21
  5. Step 5: Solve for x
    x = 299,434,688,218.21/646,177.52
  6. Step 6: Final answer
    x = 463,393.85

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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.