Home / 781,397.67-1,170,579.83-575,859

Finding the Fourth Proportional to 781,397.67, 1,170,579.83 and 575,859

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Solution

The fourth proportional to 781,397.67, 1,170,579.83 and 575,859 is: 862,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,397.67 : 1,170,579.83 = 575,859 : x
  2. Step 2: Convert to fraction form
    781,397.67/1,170,579.83 = 575,859/x
  3. Step 3: Cross multiply
    781,397.67x = 1,170,579.83 × 575,859
  4. Step 4: Simplify right side
    781,397.67x = 674,088,927,444.68
  5. Step 5: Solve for x
    x = 674,088,927,444.68/781,397.67
  6. Step 6: Final answer
    x = 862,670.77

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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.