Home / 877,362.20-1,210,763.70-474,954.20

Finding the Fourth Proportional to 877,362.20, 1,210,763.70 and 474,954.20

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Solution

The fourth proportional to 877,362.20, 1,210,763.70 and 474,954.20 is: 655,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,362.20 : 1,210,763.70 = 474,954.20 : x
  2. Step 2: Convert to fraction form
    877,362.20/1,210,763.70 = 474,954.20/x
  3. Step 3: Cross multiply
    877,362.20x = 1,210,763.70 × 474,954.20
  4. Step 4: Simplify right side
    877,362.20x = 575,057,304,522.54
  5. Step 5: Solve for x
    x = 575,057,304,522.54/877,362.20
  6. Step 6: Final answer
    x = 655,438.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.