Home / 807,256.12-1,210,291.20-386,827.24

Finding the Fourth Proportional to 807,256.12, 1,210,291.20 and 386,827.24

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Solution

The fourth proportional to 807,256.12, 1,210,291.20 and 386,827.24 is: 579,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,256.12 : 1,210,291.20 = 386,827.24 : x
  2. Step 2: Convert to fraction form
    807,256.12/1,210,291.20 = 386,827.24/x
  3. Step 3: Cross multiply
    807,256.12x = 1,210,291.20 × 386,827.24
  4. Step 4: Simplify right side
    807,256.12x = 468,173,604,492.29
  5. Step 5: Solve for x
    x = 468,173,604,492.29/807,256.12
  6. Step 6: Final answer
    x = 579,956.71

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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.