Home / 887,703.30-1,224,873.09-525,142.44

Finding the Fourth Proportional to 887,703.30, 1,224,873.09 and 525,142.44

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Solution

The fourth proportional to 887,703.30, 1,224,873.09 and 525,142.44 is: 724,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,703.30 : 1,224,873.09 = 525,142.44 : x
  2. Step 2: Convert to fraction form
    887,703.30/1,224,873.09 = 525,142.44/x
  3. Step 3: Cross multiply
    887,703.30x = 1,224,873.09 × 525,142.44
  4. Step 4: Simplify right side
    887,703.30x = 643,232,843,172.94
  5. Step 5: Solve for x
    x = 643,232,843,172.94/887,703.30
  6. Step 6: Final answer
    x = 724,603.42

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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.