Home / 907,872.90-1,362,842.70-459,100.50

Finding the Fourth Proportional to 907,872.90, 1,362,842.70 and 459,100.50

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Solution

The fourth proportional to 907,872.90, 1,362,842.70 and 459,100.50 is: 689,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,872.90 : 1,362,842.70 = 459,100.50 : x
  2. Step 2: Convert to fraction form
    907,872.90/1,362,842.70 = 459,100.50/x
  3. Step 3: Cross multiply
    907,872.90x = 1,362,842.70 × 459,100.50
  4. Step 4: Simplify right side
    907,872.90x = 625,681,758,177.14
  5. Step 5: Solve for x
    x = 625,681,758,177.14/907,872.90
  6. Step 6: Final answer
    x = 689,173.30

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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.