Home / 759,770.48-1,139,915.82-286,591.16

Finding the Fourth Proportional to 759,770.48, 1,139,915.82 and 286,591.16

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Solution

The fourth proportional to 759,770.48, 1,139,915.82 and 286,591.16 is: 429,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,770.48 : 1,139,915.82 = 286,591.16 : x
  2. Step 2: Convert to fraction form
    759,770.48/1,139,915.82 = 286,591.16/x
  3. Step 3: Cross multiply
    759,770.48x = 1,139,915.82 × 286,591.16
  4. Step 4: Simplify right side
    759,770.48x = 326,689,797,156.15
  5. Step 5: Solve for x
    x = 326,689,797,156.15/759,770.48
  6. Step 6: Final answer
    x = 429,984.85

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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.