Home / 913,231.76-1,260,191.40-510,746

Finding the Fourth Proportional to 913,231.76, 1,260,191.40 and 510,746

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Solution

The fourth proportional to 913,231.76, 1,260,191.40 and 510,746 is: 704,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,231.76 : 1,260,191.40 = 510,746 : x
  2. Step 2: Convert to fraction form
    913,231.76/1,260,191.40 = 510,746/x
  3. Step 3: Cross multiply
    913,231.76x = 1,260,191.40 × 510,746
  4. Step 4: Simplify right side
    913,231.76x = 643,637,716,784.40
  5. Step 5: Solve for x
    x = 643,637,716,784.40/913,231.76
  6. Step 6: Final answer
    x = 704,791.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.