Home / 806,747.60-1,210,121.40-523,312.40

Finding the Fourth Proportional to 806,747.60, 1,210,121.40 and 523,312.40

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Solution

The fourth proportional to 806,747.60, 1,210,121.40 and 523,312.40 is: 784,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,747.60 : 1,210,121.40 = 523,312.40 : x
  2. Step 2: Convert to fraction form
    806,747.60/1,210,121.40 = 523,312.40/x
  3. Step 3: Cross multiply
    806,747.60x = 1,210,121.40 × 523,312.40
  4. Step 4: Simplify right side
    806,747.60x = 633,271,534,125.36
  5. Step 5: Solve for x
    x = 633,271,534,125.36/806,747.60
  6. Step 6: Final answer
    x = 784,968.60

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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.