Home / 905,507.18-1,249,079.52-565,384.94

Finding the Fourth Proportional to 905,507.18, 1,249,079.52 and 565,384.94

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Solution

The fourth proportional to 905,507.18, 1,249,079.52 and 565,384.94 is: 779,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,507.18 : 1,249,079.52 = 565,384.94 : x
  2. Step 2: Convert to fraction form
    905,507.18/1,249,079.52 = 565,384.94/x
  3. Step 3: Cross multiply
    905,507.18x = 1,249,079.52 × 565,384.94
  4. Step 4: Simplify right side
    905,507.18x = 706,210,749,470.43
  5. Step 5: Solve for x
    x = 706,210,749,470.43/905,507.18
  6. Step 6: Final answer
    x = 779,906.29

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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.