Home / 878,018.12-1,316,878.14-246,783.56

Finding the Fourth Proportional to 878,018.12, 1,316,878.14 and 246,783.56

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Solution

The fourth proportional to 878,018.12, 1,316,878.14 and 246,783.56 is: 370,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,018.12 : 1,316,878.14 = 246,783.56 : x
  2. Step 2: Convert to fraction form
    878,018.12/1,316,878.14 = 246,783.56/x
  3. Step 3: Cross multiply
    878,018.12x = 1,316,878.14 × 246,783.56
  4. Step 4: Simplify right side
    878,018.12x = 324,983,875,475.38
  5. Step 5: Solve for x
    x = 324,983,875,475.38/878,018.12
  6. Step 6: Final answer
    x = 370,133.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.