Home / 907,809.57-1,357,921.67-637,918.65

Finding the Fourth Proportional to 907,809.57, 1,357,921.67 and 637,918.65

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Solution

The fourth proportional to 907,809.57, 1,357,921.67 and 637,918.65 is: 954,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,809.57 : 1,357,921.67 = 637,918.65 : x
  2. Step 2: Convert to fraction form
    907,809.57/1,357,921.67 = 637,918.65/x
  3. Step 3: Cross multiply
    907,809.57x = 1,357,921.67 × 637,918.65
  4. Step 4: Simplify right side
    907,809.57x = 866,243,555,342.55
  5. Step 5: Solve for x
    x = 866,243,555,342.55/907,809.57
  6. Step 6: Final answer
    x = 954,212.85

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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.