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Finding the Fourth Proportional to 615,095.01, 848,831.64 and 343,162.96

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Solution

The fourth proportional to 615,095.01, 848,831.64 and 343,162.96 is: 473,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,095.01 : 848,831.64 = 343,162.96 : x
  2. Step 2: Convert to fraction form
    615,095.01/848,831.64 = 343,162.96/x
  3. Step 3: Cross multiply
    615,095.01x = 848,831.64 × 343,162.96
  4. Step 4: Simplify right side
    615,095.01x = 291,287,577,288.84
  5. Step 5: Solve for x
    x = 291,287,577,288.84/615,095.01
  6. Step 6: Final answer
    x = 473,565.18

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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.