Home / 615,430.27-849,336.56-343,551.23

Finding the Fourth Proportional to 615,430.27, 849,336.56 and 343,551.23

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Solution

The fourth proportional to 615,430.27, 849,336.56 and 343,551.23 is: 474,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,430.27 : 849,336.56 = 343,551.23 : x
  2. Step 2: Convert to fraction form
    615,430.27/849,336.56 = 343,551.23/x
  3. Step 3: Cross multiply
    615,430.27x = 849,336.56 × 343,551.23
  4. Step 4: Simplify right side
    615,430.27x = 291,790,619,871.97
  5. Step 5: Solve for x
    x = 291,790,619,871.97/615,430.27
  6. Step 6: Final answer
    x = 474,124.58

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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.