Home / 830,425.76-1,146,010.38-508,130

Finding the Fourth Proportional to 830,425.76, 1,146,010.38 and 508,130

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Solution

The fourth proportional to 830,425.76, 1,146,010.38 and 508,130 is: 701,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,425.76 : 1,146,010.38 = 508,130 : x
  2. Step 2: Convert to fraction form
    830,425.76/1,146,010.38 = 508,130/x
  3. Step 3: Cross multiply
    830,425.76x = 1,146,010.38 × 508,130
  4. Step 4: Simplify right side
    830,425.76x = 582,322,254,389.40
  5. Step 5: Solve for x
    x = 582,322,254,389.40/830,425.76
  6. Step 6: Final answer
    x = 701,233.37

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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.