Home / 898,773.57-1,240,252.56-490,792.37

Finding the Fourth Proportional to 898,773.57, 1,240,252.56 and 490,792.37

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Solution

The fourth proportional to 898,773.57, 1,240,252.56 and 490,792.37 is: 677,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,773.57 : 1,240,252.56 = 490,792.37 : x
  2. Step 2: Convert to fraction form
    898,773.57/1,240,252.56 = 490,792.37/x
  3. Step 3: Cross multiply
    898,773.57x = 1,240,252.56 × 490,792.37
  4. Step 4: Simplify right side
    898,773.57x = 608,706,487,119.71
  5. Step 5: Solve for x
    x = 608,706,487,119.71/898,773.57
  6. Step 6: Final answer
    x = 677,263.45

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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.