Home / 905,502.16-1,249,072.64-565,379.92

Finding the Fourth Proportional to 905,502.16, 1,249,072.64 and 565,379.92

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Solution

The fourth proportional to 905,502.16, 1,249,072.64 and 565,379.92 is: 779,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,502.16 : 1,249,072.64 = 565,379.92 : x
  2. Step 2: Convert to fraction form
    905,502.16/1,249,072.64 = 565,379.92/x
  3. Step 3: Cross multiply
    905,502.16x = 1,249,072.64 × 565,379.92
  4. Step 4: Simplify right side
    905,502.16x = 706,200,589,277.39
  5. Step 5: Solve for x
    x = 706,200,589,277.39/905,502.16
  6. Step 6: Final answer
    x = 779,899.40

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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.