Home / 803,652.06-1,205,478.08-626,291.76

Finding the Fourth Proportional to 803,652.06, 1,205,478.08 and 626,291.76

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Solution

The fourth proportional to 803,652.06, 1,205,478.08 and 626,291.76 is: 939,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,652.06 : 1,205,478.08 = 626,291.76 : x
  2. Step 2: Convert to fraction form
    803,652.06/1,205,478.08 = 626,291.76/x
  3. Step 3: Cross multiply
    803,652.06x = 1,205,478.08 × 626,291.76
  4. Step 4: Simplify right side
    803,652.06x = 754,980,988,364.62
  5. Step 5: Solve for x
    x = 754,980,988,364.62/803,652.06
  6. Step 6: Final answer
    x = 939,437.63

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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.