Home / 830,390.40-1,146,023.40-508,313.34

Finding the Fourth Proportional to 830,390.40, 1,146,023.40 and 508,313.34

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Solution

The fourth proportional to 830,390.40, 1,146,023.40 and 508,313.34 is: 701,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,390.40 : 1,146,023.40 = 508,313.34 : x
  2. Step 2: Convert to fraction form
    830,390.40/1,146,023.40 = 508,313.34/x
  3. Step 3: Cross multiply
    830,390.40x = 1,146,023.40 × 508,313.34
  4. Step 4: Simplify right side
    830,390.40x = 582,538,982,172.16
  5. Step 5: Solve for x
    x = 582,538,982,172.16/830,390.40
  6. Step 6: Final answer
    x = 701,524.23

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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.