Home / 813,248.36-1,122,152.10-511,228.52

Finding the Fourth Proportional to 813,248.36, 1,122,152.10 and 511,228.52

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Solution

The fourth proportional to 813,248.36, 1,122,152.10 and 511,228.52 is: 705,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,248.36 : 1,122,152.10 = 511,228.52 : x
  2. Step 2: Convert to fraction form
    813,248.36/1,122,152.10 = 511,228.52/x
  3. Step 3: Cross multiply
    813,248.36x = 1,122,152.10 × 511,228.52
  4. Step 4: Simplify right side
    813,248.36x = 573,676,157,297.89
  5. Step 5: Solve for x
    x = 573,676,157,297.89/813,248.36
  6. Step 6: Final answer
    x = 705,413.24

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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.