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Finding the Fourth Proportional to 506,575.42, 759,862.98 and 190,958.52

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Solution

The fourth proportional to 506,575.42, 759,862.98 and 190,958.52 is: 286,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,575.42 : 759,862.98 = 190,958.52 : x
  2. Step 2: Convert to fraction form
    506,575.42/759,862.98 = 190,958.52/x
  3. Step 3: Cross multiply
    506,575.42x = 759,862.98 × 190,958.52
  4. Step 4: Simplify right side
    506,575.42x = 145,102,310,063.59
  5. Step 5: Solve for x
    x = 145,102,310,063.59/506,575.42
  6. Step 6: Final answer
    x = 286,437.72

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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.