Home / 898,727.63-1,240,237.81-490,829.57

Finding the Fourth Proportional to 898,727.63, 1,240,237.81 and 490,829.57

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Solution

The fourth proportional to 898,727.63, 1,240,237.81 and 490,829.57 is: 677,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,727.63 : 1,240,237.81 = 490,829.57 : x
  2. Step 2: Convert to fraction form
    898,727.63/1,240,237.81 = 490,829.57/x
  3. Step 3: Cross multiply
    898,727.63x = 1,240,237.81 × 490,829.57
  4. Step 4: Simplify right side
    898,727.63x = 608,745,383,551.78
  5. Step 5: Solve for x
    x = 608,745,383,551.78/898,727.63
  6. Step 6: Final answer
    x = 677,341.35

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1.5x scale

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.