Home / 529,827.40-792,926.70-319,616.20

Finding the Fourth Proportional to 529,827.40, 792,926.70 and 319,616.20

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Solution

The fourth proportional to 529,827.40, 792,926.70 and 319,616.20 is: 478,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,827.40 : 792,926.70 = 319,616.20 : x
  2. Step 2: Convert to fraction form
    529,827.40/792,926.70 = 319,616.20/x
  3. Step 3: Cross multiply
    529,827.40x = 792,926.70 × 319,616.20
  4. Step 4: Simplify right side
    529,827.40x = 253,432,218,732.54
  5. Step 5: Solve for x
    x = 253,432,218,732.54/529,827.40
  6. Step 6: Final answer
    x = 478,329.77

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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.