Home / 785,873.20-1,178,809.80-470,167.60

Finding the Fourth Proportional to 785,873.20, 1,178,809.80 and 470,167.60

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Solution

The fourth proportional to 785,873.20, 1,178,809.80 and 470,167.60 is: 705,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,873.20 : 1,178,809.80 = 470,167.60 : x
  2. Step 2: Convert to fraction form
    785,873.20/1,178,809.80 = 470,167.60/x
  3. Step 3: Cross multiply
    785,873.20x = 1,178,809.80 × 470,167.60
  4. Step 4: Simplify right side
    785,873.20x = 554,238,174,522.48
  5. Step 5: Solve for x
    x = 554,238,174,522.48/785,873.20
  6. Step 6: Final answer
    x = 705,251.40

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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.