Home / 747,801.80-1,121,702.70-508,653.35

Finding the Fourth Proportional to 747,801.80, 1,121,702.70 and 508,653.35

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Solution

The fourth proportional to 747,801.80, 1,121,702.70 and 508,653.35 is: 762,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,801.80 : 1,121,702.70 = 508,653.35 : x
  2. Step 2: Convert to fraction form
    747,801.80/1,121,702.70 = 508,653.35/x
  3. Step 3: Cross multiply
    747,801.80x = 1,121,702.70 × 508,653.35
  4. Step 4: Simplify right side
    747,801.80x = 570,557,836,059.05
  5. Step 5: Solve for x
    x = 570,557,836,059.05/747,801.80
  6. Step 6: Final answer
    x = 762,980.03

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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.