Home / 772,938.20-1,159,407.30-684,291.80

Finding the Fourth Proportional to 772,938.20, 1,159,407.30 and 684,291.80

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Solution

The fourth proportional to 772,938.20, 1,159,407.30 and 684,291.80 is: 1,026,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,938.20 : 1,159,407.30 = 684,291.80 : x
  2. Step 2: Convert to fraction form
    772,938.20/1,159,407.30 = 684,291.80/x
  3. Step 3: Cross multiply
    772,938.20x = 1,159,407.30 × 684,291.80
  4. Step 4: Simplify right side
    772,938.20x = 793,372,908,250.14
  5. Step 5: Solve for x
    x = 793,372,908,250.14/772,938.20
  6. Step 6: Final answer
    x = 1,026,437.70

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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.