Home / 907,310.80-1,360,966.20-434,918.80

Finding the Fourth Proportional to 907,310.80, 1,360,966.20 and 434,918.80

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Solution

The fourth proportional to 907,310.80, 1,360,966.20 and 434,918.80 is: 652,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,310.80 : 1,360,966.20 = 434,918.80 : x
  2. Step 2: Convert to fraction form
    907,310.80/1,360,966.20 = 434,918.80/x
  3. Step 3: Cross multiply
    907,310.80x = 1,360,966.20 × 434,918.80
  4. Step 4: Simplify right side
    907,310.80x = 591,909,786,544.56
  5. Step 5: Solve for x
    x = 591,909,786,544.56/907,310.80
  6. Step 6: Final answer
    x = 652,378.20

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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.