Home / 840,299.08-1,159,710.76-477,777.25

Finding the Fourth Proportional to 840,299.08, 1,159,710.76 and 477,777.25

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Solution

The fourth proportional to 840,299.08, 1,159,710.76 and 477,777.25 is: 659,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,299.08 : 1,159,710.76 = 477,777.25 : x
  2. Step 2: Convert to fraction form
    840,299.08/1,159,710.76 = 477,777.25/x
  3. Step 3: Cross multiply
    840,299.08x = 1,159,710.76 × 477,777.25
  4. Step 4: Simplify right side
    840,299.08x = 554,083,417,708.21
  5. Step 5: Solve for x
    x = 554,083,417,708.21/840,299.08
  6. Step 6: Final answer
    x = 659,388.35

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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.