Home / 762,699.42-1,052,521.83-423,166.86

Finding the Fourth Proportional to 762,699.42, 1,052,521.83 and 423,166.86

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Solution

The fourth proportional to 762,699.42, 1,052,521.83 and 423,166.86 is: 583,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,699.42 : 1,052,521.83 = 423,166.86 : x
  2. Step 2: Convert to fraction form
    762,699.42/1,052,521.83 = 423,166.86/x
  3. Step 3: Cross multiply
    762,699.42x = 1,052,521.83 × 423,166.86
  4. Step 4: Simplify right side
    762,699.42x = 445,392,357,882.55
  5. Step 5: Solve for x
    x = 445,392,357,882.55/762,699.42
  6. Step 6: Final answer
    x = 583,968.40

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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.