Home / 726,642.68-1,090,038.34-277,741.40

Finding the Fourth Proportional to 726,642.68, 1,090,038.34 and 277,741.40

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Solution

The fourth proportional to 726,642.68, 1,090,038.34 and 277,741.40 is: 416,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,642.68 : 1,090,038.34 = 277,741.40 : x
  2. Step 2: Convert to fraction form
    726,642.68/1,090,038.34 = 277,741.40/x
  3. Step 3: Cross multiply
    726,642.68x = 1,090,038.34 × 277,741.40
  4. Step 4: Simplify right side
    726,642.68x = 302,748,774,605.28
  5. Step 5: Solve for x
    x = 302,748,774,605.28/726,642.68
  6. Step 6: Final answer
    x = 416,640.51

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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.