Home / 726,386.96-1,001,587.56-511,458.32

Finding the Fourth Proportional to 726,386.96, 1,001,587.56 and 511,458.32

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Solution

The fourth proportional to 726,386.96, 1,001,587.56 and 511,458.32 is: 705,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,386.96 : 1,001,587.56 = 511,458.32 : x
  2. Step 2: Convert to fraction form
    726,386.96/1,001,587.56 = 511,458.32/x
  3. Step 3: Cross multiply
    726,386.96x = 1,001,587.56 × 511,458.32
  4. Step 4: Simplify right side
    726,386.96x = 512,270,290,770.50
  5. Step 5: Solve for x
    x = 512,270,290,770.50/726,386.96
  6. Step 6: Final answer
    x = 705,230.57

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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.