Home / 730,646.40-1,095,969.60-257,865.60

Finding the Fourth Proportional to 730,646.40, 1,095,969.60 and 257,865.60

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Solution

The fourth proportional to 730,646.40, 1,095,969.60 and 257,865.60 is: 386,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,646.40 : 1,095,969.60 = 257,865.60 : x
  2. Step 2: Convert to fraction form
    730,646.40/1,095,969.60 = 257,865.60/x
  3. Step 3: Cross multiply
    730,646.40x = 1,095,969.60 × 257,865.60
  4. Step 4: Simplify right side
    730,646.40x = 282,612,858,485.76
  5. Step 5: Solve for x
    x = 282,612,858,485.76/730,646.40
  6. Step 6: Final answer
    x = 386,798.40

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Similar ratio
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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.