Home / 887,813.48-1,225,302.57-500,708.48

Finding the Fourth Proportional to 887,813.48, 1,225,302.57 and 500,708.48

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Solution

The fourth proportional to 887,813.48, 1,225,302.57 and 500,708.48 is: 691,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,813.48 : 1,225,302.57 = 500,708.48 : x
  2. Step 2: Convert to fraction form
    887,813.48/1,225,302.57 = 500,708.48/x
  3. Step 3: Cross multiply
    887,813.48x = 1,225,302.57 × 500,708.48
  4. Step 4: Simplify right side
    887,813.48x = 613,519,381,238.28
  5. Step 5: Solve for x
    x = 613,519,381,238.28/887,813.48
  6. Step 6: Final answer
    x = 691,045.36

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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.