Home / 846,432.64-1,270,145.52-314,323.12

Finding the Fourth Proportional to 846,432.64, 1,270,145.52 and 314,323.12

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Solution

The fourth proportional to 846,432.64, 1,270,145.52 and 314,323.12 is: 471,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,432.64 : 1,270,145.52 = 314,323.12 : x
  2. Step 2: Convert to fraction form
    846,432.64/1,270,145.52 = 314,323.12/x
  3. Step 3: Cross multiply
    846,432.64x = 1,270,145.52 × 314,323.12
  4. Step 4: Simplify right side
    846,432.64x = 399,236,102,700.42
  5. Step 5: Solve for x
    x = 399,236,102,700.42/846,432.64
  6. Step 6: Final answer
    x = 471,669.08

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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.