Home / 868,266.60-1,302,399.90-470,135.40

Finding the Fourth Proportional to 868,266.60, 1,302,399.90 and 470,135.40

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Solution

The fourth proportional to 868,266.60, 1,302,399.90 and 470,135.40 is: 705,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,266.60 : 1,302,399.90 = 470,135.40 : x
  2. Step 2: Convert to fraction form
    868,266.60/1,302,399.90 = 470,135.40/x
  3. Step 3: Cross multiply
    868,266.60x = 1,302,399.90 × 470,135.40
  4. Step 4: Simplify right side
    868,266.60x = 612,304,297,946.46
  5. Step 5: Solve for x
    x = 612,304,297,946.46/868,266.60
  6. Step 6: Final answer
    x = 705,203.10

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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.