Home / 988,531.83-1,364,130.63-580,675.50

Finding the Fourth Proportional to 988,531.83, 1,364,130.63 and 580,675.50

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Solution

The fourth proportional to 988,531.83, 1,364,130.63 and 580,675.50 is: 801,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,531.83 : 1,364,130.63 = 580,675.50 : x
  2. Step 2: Convert to fraction form
    988,531.83/1,364,130.63 = 580,675.50/x
  3. Step 3: Cross multiply
    988,531.83x = 1,364,130.63 × 580,675.50
  4. Step 4: Simplify right side
    988,531.83x = 792,117,235,640.57
  5. Step 5: Solve for x
    x = 792,117,235,640.57/988,531.83
  6. Step 6: Final answer
    x = 801,306.76

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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.