Home / 838,844.04-1,258,807.14-306,320.52

Finding the Fourth Proportional to 838,844.04, 1,258,807.14 and 306,320.52

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Solution

The fourth proportional to 838,844.04, 1,258,807.14 and 306,320.52 is: 459,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,844.04 : 1,258,807.14 = 306,320.52 : x
  2. Step 2: Convert to fraction form
    838,844.04/1,258,807.14 = 306,320.52/x
  3. Step 3: Cross multiply
    838,844.04x = 1,258,807.14 × 306,320.52
  4. Step 4: Simplify right side
    838,844.04x = 385,598,457,704.51
  5. Step 5: Solve for x
    x = 385,598,457,704.51/838,844.04
  6. Step 6: Final answer
    x = 459,678.37

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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.