Home / 923,468.95-1,385,416.81-292,382.76

Finding the Fourth Proportional to 923,468.95, 1,385,416.81 and 292,382.76

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Solution

The fourth proportional to 923,468.95, 1,385,416.81 and 292,382.76 is: 438,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,468.95 : 1,385,416.81 = 292,382.76 : x
  2. Step 2: Convert to fraction form
    923,468.95/1,385,416.81 = 292,382.76/x
  3. Step 3: Cross multiply
    923,468.95x = 1,385,416.81 × 292,382.76
  4. Step 4: Simplify right side
    923,468.95x = 405,071,996,218.99
  5. Step 5: Solve for x
    x = 405,071,996,218.99/923,468.95
  6. Step 6: Final answer
    x = 438,641.71

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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.