Home / 830,717.22-1,146,772.47-486,505.32

Finding the Fourth Proportional to 830,717.22, 1,146,772.47 and 486,505.32

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Solution

The fourth proportional to 830,717.22, 1,146,772.47 and 486,505.32 is: 671,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,717.22 : 1,146,772.47 = 486,505.32 : x
  2. Step 2: Convert to fraction form
    830,717.22/1,146,772.47 = 486,505.32/x
  3. Step 3: Cross multiply
    830,717.22x = 1,146,772.47 × 486,505.32
  4. Step 4: Simplify right side
    830,717.22x = 557,910,907,484.54
  5. Step 5: Solve for x
    x = 557,910,907,484.54/830,717.22
  6. Step 6: Final answer
    x = 671,601.47

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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.