Home / 912,976.40-1,370,301.60-464,009.60

Finding the Fourth Proportional to 912,976.40, 1,370,301.60 and 464,009.60

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Solution

The fourth proportional to 912,976.40, 1,370,301.60 and 464,009.60 is: 696,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,976.40 : 1,370,301.60 = 464,009.60 : x
  2. Step 2: Convert to fraction form
    912,976.40/1,370,301.60 = 464,009.60/x
  3. Step 3: Cross multiply
    912,976.40x = 1,370,301.60 × 464,009.60
  4. Step 4: Simplify right side
    912,976.40x = 635,833,097,295.36
  5. Step 5: Solve for x
    x = 635,833,097,295.36/912,976.40
  6. Step 6: Final answer
    x = 696,439.80

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1.5x scale

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.