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Finding the Fourth Proportional to 615,225.54, 849,008.48 and 343,277.56

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Solution

The fourth proportional to 615,225.54, 849,008.48 and 343,277.56 is: 473,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,225.54 : 849,008.48 = 343,277.56 : x
  2. Step 2: Convert to fraction form
    615,225.54/849,008.48 = 343,277.56/x
  3. Step 3: Cross multiply
    615,225.54x = 849,008.48 × 343,277.56
  4. Step 4: Simplify right side
    615,225.54x = 291,445,559,433.71
  5. Step 5: Solve for x
    x = 291,445,559,433.71/615,225.54
  6. Step 6: Final answer
    x = 473,721.49

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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.