Home / 851,240.40-1,276,277.40-402,176.40

Finding the Fourth Proportional to 851,240.40, 1,276,277.40 and 402,176.40

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Solution

The fourth proportional to 851,240.40, 1,276,277.40 and 402,176.40 is: 602,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,240.40 : 1,276,277.40 = 402,176.40 : x
  2. Step 2: Convert to fraction form
    851,240.40/1,276,277.40 = 402,176.40/x
  3. Step 3: Cross multiply
    851,240.40x = 1,276,277.40 × 402,176.40
  4. Step 4: Simplify right side
    851,240.40x = 513,288,650,133.36
  5. Step 5: Solve for x
    x = 513,288,650,133.36/851,240.40
  6. Step 6: Final answer
    x = 602,989.06

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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.