Home / 615,338.75-849,210.07-343,459.55

Finding the Fourth Proportional to 615,338.75, 849,210.07 and 343,459.55

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Solution

The fourth proportional to 615,338.75, 849,210.07 and 343,459.55 is: 473,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,338.75 : 849,210.07 = 343,459.55 : x
  2. Step 2: Convert to fraction form
    615,338.75/849,210.07 = 343,459.55/x
  3. Step 3: Cross multiply
    615,338.75x = 849,210.07 × 343,459.55
  4. Step 4: Simplify right side
    615,338.75x = 291,669,308,497.67
  5. Step 5: Solve for x
    x = 291,669,308,497.67/615,338.75
  6. Step 6: Final answer
    x = 473,997.95

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Double scale
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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.