Home / 877,255.68-1,315,313.28-344,828.80

Finding the Fourth Proportional to 877,255.68, 1,315,313.28 and 344,828.80

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Solution

The fourth proportional to 877,255.68, 1,315,313.28 and 344,828.80 is: 517,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,255.68 : 1,315,313.28 = 344,828.80 : x
  2. Step 2: Convert to fraction form
    877,255.68/1,315,313.28 = 344,828.80/x
  3. Step 3: Cross multiply
    877,255.68x = 1,315,313.28 × 344,828.80
  4. Step 4: Simplify right side
    877,255.68x = 453,557,899,966.46
  5. Step 5: Solve for x
    x = 453,557,899,966.46/877,255.68
  6. Step 6: Final answer
    x = 517,019.05

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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.