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Finding the Fourth Proportional to 705,041.52, 972,596.88 and 450,124.80

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Solution

The fourth proportional to 705,041.52, 972,596.88 and 450,124.80 is: 620,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,041.52 : 972,596.88 = 450,124.80 : x
  2. Step 2: Convert to fraction form
    705,041.52/972,596.88 = 450,124.80/x
  3. Step 3: Cross multiply
    705,041.52x = 972,596.88 × 450,124.80
  4. Step 4: Simplify right side
    705,041.52x = 437,789,976,090.62
  5. Step 5: Solve for x
    x = 437,789,976,090.62/705,041.52
  6. Step 6: Final answer
    x = 620,942.12

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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.