Home / 752,556.62-1,038,528.81-408,392.55

Finding the Fourth Proportional to 752,556.62, 1,038,528.81 and 408,392.55

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Solution

The fourth proportional to 752,556.62, 1,038,528.81 and 408,392.55 is: 563,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,556.62 : 1,038,528.81 = 408,392.55 : x
  2. Step 2: Convert to fraction form
    752,556.62/1,038,528.81 = 408,392.55/x
  3. Step 3: Cross multiply
    752,556.62x = 1,038,528.81 × 408,392.55
  4. Step 4: Simplify right side
    752,556.62x = 424,127,421,729.76
  5. Step 5: Solve for x
    x = 424,127,421,729.76/752,556.62
  6. Step 6: Final answer
    x = 563,582.08

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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.