Home / 847,406.88-1,169,410.56-465,409.07

Finding the Fourth Proportional to 847,406.88, 1,169,410.56 and 465,409.07

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Solution

The fourth proportional to 847,406.88, 1,169,410.56 and 465,409.07 is: 642,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,406.88 : 1,169,410.56 = 465,409.07 : x
  2. Step 2: Convert to fraction form
    847,406.88/1,169,410.56 = 465,409.07/x
  3. Step 3: Cross multiply
    847,406.88x = 1,169,410.56 × 465,409.07
  4. Step 4: Simplify right side
    847,406.88x = 544,254,275,330.73
  5. Step 5: Solve for x
    x = 544,254,275,330.73/847,406.88
  6. Step 6: Final answer
    x = 642,258.50

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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.