Home / 955,290.12-1,318,300.32-525,561.04

Finding the Fourth Proportional to 955,290.12, 1,318,300.32 and 525,561.04

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Solution

The fourth proportional to 955,290.12, 1,318,300.32 and 525,561.04 is: 725,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,290.12 : 1,318,300.32 = 525,561.04 : x
  2. Step 2: Convert to fraction form
    955,290.12/1,318,300.32 = 525,561.04/x
  3. Step 3: Cross multiply
    955,290.12x = 1,318,300.32 × 525,561.04
  4. Step 4: Simplify right side
    955,290.12x = 692,847,287,211.53
  5. Step 5: Solve for x
    x = 692,847,287,211.53/955,290.12
  6. Step 6: Final answer
    x = 725,274.21

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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.