Home / 942,390.72-1,300,069.44-560,200.32

Finding the Fourth Proportional to 942,390.72, 1,300,069.44 and 560,200.32

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Solution

The fourth proportional to 942,390.72, 1,300,069.44 and 560,200.32 is: 772,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,390.72 : 1,300,069.44 = 560,200.32 : x
  2. Step 2: Convert to fraction form
    942,390.72/1,300,069.44 = 560,200.32/x
  3. Step 3: Cross multiply
    942,390.72x = 1,300,069.44 × 560,200.32
  4. Step 4: Simplify right side
    942,390.72x = 728,299,316,310.22
  5. Step 5: Solve for x
    x = 728,299,316,310.22/942,390.72
  6. Step 6: Final answer
    x = 772,820.98

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Double scale
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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.