Home / 909,873.63-1,364,985.42-348,864.39

Finding the Fourth Proportional to 909,873.63, 1,364,985.42 and 348,864.39

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Solution

The fourth proportional to 909,873.63, 1,364,985.42 and 348,864.39 is: 523,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,873.63 : 1,364,985.42 = 348,864.39 : x
  2. Step 2: Convert to fraction form
    909,873.63/1,364,985.42 = 348,864.39/x
  3. Step 3: Cross multiply
    909,873.63x = 1,364,985.42 × 348,864.39
  4. Step 4: Simplify right side
    909,873.63x = 476,194,805,907.19
  5. Step 5: Solve for x
    x = 476,194,805,907.19/909,873.63
  6. Step 6: Final answer
    x = 523,363.67

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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.