Home / 817,967.40-1,227,123.90-249,301.80

Finding the Fourth Proportional to 817,967.40, 1,227,123.90 and 249,301.80

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Solution

The fourth proportional to 817,967.40, 1,227,123.90 and 249,301.80 is: 374,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,967.40 : 1,227,123.90 = 249,301.80 : x
  2. Step 2: Convert to fraction form
    817,967.40/1,227,123.90 = 249,301.80/x
  3. Step 3: Cross multiply
    817,967.40x = 1,227,123.90 × 249,301.80
  4. Step 4: Simplify right side
    817,967.40x = 305,924,197,093.02
  5. Step 5: Solve for x
    x = 305,924,197,093.02/817,967.40
  6. Step 6: Final answer
    x = 374,005.37

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1.5x scale

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.