Home / 710,815.56-1,066,410.28-255,452.78

Finding the Fourth Proportional to 710,815.56, 1,066,410.28 and 255,452.78

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Solution

The fourth proportional to 710,815.56, 1,066,410.28 and 255,452.78 is: 383,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,815.56 : 1,066,410.28 = 255,452.78 : x
  2. Step 2: Convert to fraction form
    710,815.56/1,066,410.28 = 255,452.78/x
  3. Step 3: Cross multiply
    710,815.56x = 1,066,410.28 × 255,452.78
  4. Step 4: Simplify right side
    710,815.56x = 272,417,470,646.58
  5. Step 5: Solve for x
    x = 272,417,470,646.58/710,815.56
  6. Step 6: Final answer
    x = 383,246.35

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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.