Home / 893,871.42-1,340,803.89-361,386.06

Finding the Fourth Proportional to 893,871.42, 1,340,803.89 and 361,386.06

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Solution

The fourth proportional to 893,871.42, 1,340,803.89 and 361,386.06 is: 542,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,871.42 : 1,340,803.89 = 361,386.06 : x
  2. Step 2: Convert to fraction form
    893,871.42/1,340,803.89 = 361,386.06/x
  3. Step 3: Cross multiply
    893,871.42x = 1,340,803.89 × 361,386.06
  4. Step 4: Simplify right side
    893,871.42x = 484,547,835,039.77
  5. Step 5: Solve for x
    x = 484,547,835,039.77/893,871.42
  6. Step 6: Final answer
    x = 542,077.78

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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.