Home / 546,928.39-754,670.91-305,210.38

Finding the Fourth Proportional to 546,928.39, 754,670.91 and 305,210.38

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Solution

The fourth proportional to 546,928.39, 754,670.91 and 305,210.38 is: 421,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,928.39 : 754,670.91 = 305,210.38 : x
  2. Step 2: Convert to fraction form
    546,928.39/754,670.91 = 305,210.38/x
  3. Step 3: Cross multiply
    546,928.39x = 754,670.91 × 305,210.38
  4. Step 4: Simplify right side
    546,928.39x = 230,333,391,442.69
  5. Step 5: Solve for x
    x = 230,333,391,442.69/546,928.39
  6. Step 6: Final answer
    x = 421,139.95

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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.