Home / 907,405.72-1,360,320.94-457,750.96

Finding the Fourth Proportional to 907,405.72, 1,360,320.94 and 457,750.96

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Solution

The fourth proportional to 907,405.72, 1,360,320.94 and 457,750.96 is: 686,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,405.72 : 1,360,320.94 = 457,750.96 : x
  2. Step 2: Convert to fraction form
    907,405.72/1,360,320.94 = 457,750.96/x
  3. Step 3: Cross multiply
    907,405.72x = 1,360,320.94 × 457,750.96
  4. Step 4: Simplify right side
    907,405.72x = 622,688,216,193.10
  5. Step 5: Solve for x
    x = 622,688,216,193.10/907,405.72
  6. Step 6: Final answer
    x = 686,229.11

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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.