Home / 761,311.50-1,050,653.97-417,148.08

Finding the Fourth Proportional to 761,311.50, 1,050,653.97 and 417,148.08

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Solution

The fourth proportional to 761,311.50, 1,050,653.97 and 417,148.08 is: 575,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,311.50 : 1,050,653.97 = 417,148.08 : x
  2. Step 2: Convert to fraction form
    761,311.50/1,050,653.97 = 417,148.08/x
  3. Step 3: Cross multiply
    761,311.50x = 1,050,653.97 × 417,148.08
  4. Step 4: Simplify right side
    761,311.50x = 438,278,286,329.88
  5. Step 5: Solve for x
    x = 438,278,286,329.88/761,311.50
  6. Step 6: Final answer
    x = 575,688.51

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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.