Home / 985,250.40-1,359,643.32-555,528.04

Finding the Fourth Proportional to 985,250.40, 1,359,643.32 and 555,528.04

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Solution

The fourth proportional to 985,250.40, 1,359,643.32 and 555,528.04 is: 766,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,250.40 : 1,359,643.32 = 555,528.04 : x
  2. Step 2: Convert to fraction form
    985,250.40/1,359,643.32 = 555,528.04/x
  3. Step 3: Cross multiply
    985,250.40x = 1,359,643.32 × 555,528.04
  4. Step 4: Simplify right side
    985,250.40x = 755,319,988,658.69
  5. Step 5: Solve for x
    x = 755,319,988,658.69/985,250.40
  6. Step 6: Final answer
    x = 766,627.44

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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.