Home / 680,868.20-1,021,302.30-470,916.20

Finding the Fourth Proportional to 680,868.20, 1,021,302.30 and 470,916.20

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Solution

The fourth proportional to 680,868.20, 1,021,302.30 and 470,916.20 is: 706,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,868.20 : 1,021,302.30 = 470,916.20 : x
  2. Step 2: Convert to fraction form
    680,868.20/1,021,302.30 = 470,916.20/x
  3. Step 3: Cross multiply
    680,868.20x = 1,021,302.30 × 470,916.20
  4. Step 4: Simplify right side
    680,868.20x = 480,947,798,167.26
  5. Step 5: Solve for x
    x = 480,947,798,167.26/680,868.20
  6. Step 6: Final answer
    x = 706,374.30

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1.5x scale

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.