Home / 907,809.22-1,252,780.27-545,239.25

Finding the Fourth Proportional to 907,809.22, 1,252,780.27 and 545,239.25

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Solution

The fourth proportional to 907,809.22, 1,252,780.27 and 545,239.25 is: 752,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,809.22 : 1,252,780.27 = 545,239.25 : x
  2. Step 2: Convert to fraction form
    907,809.22/1,252,780.27 = 545,239.25/x
  3. Step 3: Cross multiply
    907,809.22x = 1,252,780.27 × 545,239.25
  4. Step 4: Simplify right side
    907,809.22x = 683,064,974,967.50
  5. Step 5: Solve for x
    x = 683,064,974,967.50/907,809.22
  6. Step 6: Final answer
    x = 752,432.29

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1.5x scale

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.