Home / 680,916.30-1,021,374.45-606,266.70

Finding the Fourth Proportional to 680,916.30, 1,021,374.45 and 606,266.70

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Solution

The fourth proportional to 680,916.30, 1,021,374.45 and 606,266.70 is: 909,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,916.30 : 1,021,374.45 = 606,266.70 : x
  2. Step 2: Convert to fraction form
    680,916.30/1,021,374.45 = 606,266.70/x
  3. Step 3: Cross multiply
    680,916.30x = 1,021,374.45 × 606,266.70
  4. Step 4: Simplify right side
    680,916.30x = 619,225,317,265.82
  5. Step 5: Solve for x
    x = 619,225,317,265.82/680,916.30
  6. Step 6: Final answer
    x = 909,400.05

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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.