Home / 680,867.70-1,021,301.55-470,915.70

Finding the Fourth Proportional to 680,867.70, 1,021,301.55 and 470,915.70

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Solution

The fourth proportional to 680,867.70, 1,021,301.55 and 470,915.70 is: 706,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,867.70 : 1,021,301.55 = 470,915.70 : x
  2. Step 2: Convert to fraction form
    680,867.70/1,021,301.55 = 470,915.70/x
  3. Step 3: Cross multiply
    680,867.70x = 1,021,301.55 × 470,915.70
  4. Step 4: Simplify right side
    680,867.70x = 480,946,934,329.34
  5. Step 5: Solve for x
    x = 480,946,934,329.34/680,867.70
  6. Step 6: Final answer
    x = 706,373.55

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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.