Home / 869,503.48-1,304,630.65-470,425.19

Finding the Fourth Proportional to 869,503.48, 1,304,630.65 and 470,425.19

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Solution

The fourth proportional to 869,503.48, 1,304,630.65 and 470,425.19 is: 705,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,503.48 : 1,304,630.65 = 470,425.19 : x
  2. Step 2: Convert to fraction form
    869,503.48/1,304,630.65 = 470,425.19/x
  3. Step 3: Cross multiply
    869,503.48x = 1,304,630.65 × 470,425.19
  4. Step 4: Simplify right side
    869,503.48x = 613,731,115,470.95
  5. Step 5: Solve for x
    x = 613,731,115,470.95/869,503.48
  6. Step 6: Final answer
    x = 705,840.90

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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.