Home / 918,209.44-1,267,128-510,298.48

Finding the Fourth Proportional to 918,209.44, 1,267,128 and 510,298.48

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Solution

The fourth proportional to 918,209.44, 1,267,128 and 510,298.48 is: 704,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,209.44 : 1,267,128 = 510,298.48 : x
  2. Step 2: Convert to fraction form
    918,209.44/1,267,128 = 510,298.48/x
  3. Step 3: Cross multiply
    918,209.44x = 1,267,128 × 510,298.48
  4. Step 4: Simplify right side
    918,209.44x = 646,613,492,365.44
  5. Step 5: Solve for x
    x = 646,613,492,365.44/918,209.44
  6. Step 6: Final answer
    x = 704,211.33

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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.