Home / 913,113-1,260,100.26-510,705

Finding the Fourth Proportional to 913,113, 1,260,100.26 and 510,705

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Solution

The fourth proportional to 913,113, 1,260,100.26 and 510,705 is: 704,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,113 : 1,260,100.26 = 510,705 : x
  2. Step 2: Convert to fraction form
    913,113/1,260,100.26 = 510,705/x
  3. Step 3: Cross multiply
    913,113x = 1,260,100.26 × 510,705
  4. Step 4: Simplify right side
    913,113x = 643,539,503,283.30
  5. Step 5: Solve for x
    x = 643,539,503,283.30/913,113
  6. Step 6: Final answer
    x = 704,775.32

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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.