Home / 750,811.83-1,036,137.06-428,515.46

Finding the Fourth Proportional to 750,811.83, 1,036,137.06 and 428,515.46

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Solution

The fourth proportional to 750,811.83, 1,036,137.06 and 428,515.46 is: 591,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,811.83 : 1,036,137.06 = 428,515.46 : x
  2. Step 2: Convert to fraction form
    750,811.83/1,036,137.06 = 428,515.46/x
  3. Step 3: Cross multiply
    750,811.83x = 1,036,137.06 × 428,515.46
  4. Step 4: Simplify right side
    750,811.83x = 444,000,748,888.95
  5. Step 5: Solve for x
    x = 444,000,748,888.95/750,811.83
  6. Step 6: Final answer
    x = 591,360.89

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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.