Home / 918,579.69-1,267,638.26-510,719.18

Finding the Fourth Proportional to 918,579.69, 1,267,638.26 and 510,719.18

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Solution

The fourth proportional to 918,579.69, 1,267,638.26 and 510,719.18 is: 704,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,579.69 : 1,267,638.26 = 510,719.18 : x
  2. Step 2: Convert to fraction form
    918,579.69/1,267,638.26 = 510,719.18/x
  3. Step 3: Cross multiply
    918,579.69x = 1,267,638.26 × 510,719.18
  4. Step 4: Simplify right side
    918,579.69x = 647,407,163,792.04
  5. Step 5: Solve for x
    x = 647,407,163,792.04/918,579.69
  6. Step 6: Final answer
    x = 704,791.51

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1.5x scale

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.