Home / 913,784.40-1,370,525.40-306,565.20

Finding the Fourth Proportional to 913,784.40, 1,370,525.40 and 306,565.20

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Solution

The fourth proportional to 913,784.40, 1,370,525.40 and 306,565.20 is: 459,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,784.40 : 1,370,525.40 = 306,565.20 : x
  2. Step 2: Convert to fraction form
    913,784.40/1,370,525.40 = 306,565.20/x
  3. Step 3: Cross multiply
    913,784.40x = 1,370,525.40 × 306,565.20
  4. Step 4: Simplify right side
    913,784.40x = 420,155,393,356.08
  5. Step 5: Solve for x
    x = 420,155,393,356.08/913,784.40
  6. Step 6: Final answer
    x = 459,797.07

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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.