Home / 964,254.54-1,330,660.80-556,351.50

Finding the Fourth Proportional to 964,254.54, 1,330,660.80 and 556,351.50

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Solution

The fourth proportional to 964,254.54, 1,330,660.80 and 556,351.50 is: 767,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,254.54 : 1,330,660.80 = 556,351.50 : x
  2. Step 2: Convert to fraction form
    964,254.54/1,330,660.80 = 556,351.50/x
  3. Step 3: Cross multiply
    964,254.54x = 1,330,660.80 × 556,351.50
  4. Step 4: Simplify right side
    964,254.54x = 740,315,132,071.20
  5. Step 5: Solve for x
    x = 740,315,132,071.20/964,254.54
  6. Step 6: Final answer
    x = 767,759.03

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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.