Home / 806,543.63-1,210,656.16-357,579.78

Finding the Fourth Proportional to 806,543.63, 1,210,656.16 and 357,579.78

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Solution

The fourth proportional to 806,543.63, 1,210,656.16 and 357,579.78 is: 536,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,543.63 : 1,210,656.16 = 357,579.78 : x
  2. Step 2: Convert to fraction form
    806,543.63/1,210,656.16 = 357,579.78/x
  3. Step 3: Cross multiply
    806,543.63x = 1,210,656.16 × 357,579.78
  4. Step 4: Simplify right side
    806,543.63x = 432,906,163,348.45
  5. Step 5: Solve for x
    x = 432,906,163,348.45/806,543.63
  6. Step 6: Final answer
    x = 536,742.40

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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.