Home / 761,856.12-1,051,373.24-417,723.44

Finding the Fourth Proportional to 761,856.12, 1,051,373.24 and 417,723.44

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Solution

The fourth proportional to 761,856.12, 1,051,373.24 and 417,723.44 is: 576,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,856.12 : 1,051,373.24 = 417,723.44 : x
  2. Step 2: Convert to fraction form
    761,856.12/1,051,373.24 = 417,723.44/x
  3. Step 3: Cross multiply
    761,856.12x = 1,051,373.24 × 417,723.44
  4. Step 4: Simplify right side
    761,856.12x = 439,183,239,191.26
  5. Step 5: Solve for x
    x = 439,183,239,191.26/761,856.12
  6. Step 6: Final answer
    x = 576,464.80

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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.