Home / 867,440.79-1,301,605.92-418,544.46

Finding the Fourth Proportional to 867,440.79, 1,301,605.92 and 418,544.46

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Solution

The fourth proportional to 867,440.79, 1,301,605.92 and 418,544.46 is: 628,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,440.79 : 1,301,605.92 = 418,544.46 : x
  2. Step 2: Convert to fraction form
    867,440.79/1,301,605.92 = 418,544.46/x
  3. Step 3: Cross multiply
    867,440.79x = 1,301,605.92 × 418,544.46
  4. Step 4: Simplify right side
    867,440.79x = 544,779,946,919.20
  5. Step 5: Solve for x
    x = 544,779,946,919.20/867,440.79
  6. Step 6: Final answer
    x = 628,031.28

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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.