Home / 805,399.29-1,111,472.06-437,901.14

Finding the Fourth Proportional to 805,399.29, 1,111,472.06 and 437,901.14

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Solution

The fourth proportional to 805,399.29, 1,111,472.06 and 437,901.14 is: 604,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,399.29 : 1,111,472.06 = 437,901.14 : x
  2. Step 2: Convert to fraction form
    805,399.29/1,111,472.06 = 437,901.14/x
  3. Step 3: Cross multiply
    805,399.29x = 1,111,472.06 × 437,901.14
  4. Step 4: Simplify right side
    805,399.29x = 486,714,882,152.15
  5. Step 5: Solve for x
    x = 486,714,882,152.15/805,399.29
  6. Step 6: Final answer
    x = 604,315.01

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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.