Home / 692,521.20-1,039,656.60-372,927.60

Finding the Fourth Proportional to 692,521.20, 1,039,656.60 and 372,927.60

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Solution

The fourth proportional to 692,521.20, 1,039,656.60 and 372,927.60 is: 559,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,521.20 : 1,039,656.60 = 372,927.60 : x
  2. Step 2: Convert to fraction form
    692,521.20/1,039,656.60 = 372,927.60/x
  3. Step 3: Cross multiply
    692,521.20x = 1,039,656.60 × 372,927.60
  4. Step 4: Simplify right side
    692,521.20x = 387,716,640,662.16
  5. Step 5: Solve for x
    x = 387,716,640,662.16/692,521.20
  6. Step 6: Final answer
    x = 559,862.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.