Home / 784,951.52-1,177,602.84-286,315.52

Finding the Fourth Proportional to 784,951.52, 1,177,602.84 and 286,315.52

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Solution

The fourth proportional to 784,951.52, 1,177,602.84 and 286,315.52 is: 429,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,951.52 : 1,177,602.84 = 286,315.52 : x
  2. Step 2: Convert to fraction form
    784,951.52/1,177,602.84 = 286,315.52/x
  3. Step 3: Cross multiply
    784,951.52x = 1,177,602.84 × 286,315.52
  4. Step 4: Simplify right side
    784,951.52x = 337,165,969,488.08
  5. Step 5: Solve for x
    x = 337,165,969,488.08/784,951.52
  6. Step 6: Final answer
    x = 429,537.32

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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.