Home / 972,478.94-1,458,402.98-323,882.51

Finding the Fourth Proportional to 972,478.94, 1,458,402.98 and 323,882.51

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Solution

The fourth proportional to 972,478.94, 1,458,402.98 and 323,882.51 is: 485,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,478.94 : 1,458,402.98 = 323,882.51 : x
  2. Step 2: Convert to fraction form
    972,478.94/1,458,402.98 = 323,882.51/x
  3. Step 3: Cross multiply
    972,478.94x = 1,458,402.98 × 323,882.51
  4. Step 4: Simplify right side
    972,478.94x = 472,351,208,842.45
  5. Step 5: Solve for x
    x = 472,351,208,842.45/972,478.94
  6. Step 6: Final answer
    x = 485,718.70

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Double scale
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1.5x scale

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.