Home / 955,403.64-1,318,488.78-525,715.32

Finding the Fourth Proportional to 955,403.64, 1,318,488.78 and 525,715.32

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Solution

The fourth proportional to 955,403.64, 1,318,488.78 and 525,715.32 is: 725,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,403.64 : 1,318,488.78 = 525,715.32 : x
  2. Step 2: Convert to fraction form
    955,403.64/1,318,488.78 = 525,715.32/x
  3. Step 3: Cross multiply
    955,403.64x = 1,318,488.78 × 525,715.32
  4. Step 4: Simplify right side
    955,403.64x = 693,149,750,894.11
  5. Step 5: Solve for x
    x = 693,149,750,894.11/955,403.64
  6. Step 6: Final answer
    x = 725,504.62

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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.