Home / 792,483.71-1,092,805.29-678,140.73

Finding the Fourth Proportional to 792,483.71, 1,092,805.29 and 678,140.73

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Solution

The fourth proportional to 792,483.71, 1,092,805.29 and 678,140.73 is: 935,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,483.71 : 1,092,805.29 = 678,140.73 : x
  2. Step 2: Convert to fraction form
    792,483.71/1,092,805.29 = 678,140.73/x
  3. Step 3: Cross multiply
    792,483.71x = 1,092,805.29 × 678,140.73
  4. Step 4: Simplify right side
    792,483.71x = 741,075,777,108.46
  5. Step 5: Solve for x
    x = 741,075,777,108.46/792,483.71
  6. Step 6: Final answer
    x = 935,130.62

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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.