Home / 841,637.52-1,262,620.98-309,162.78

Finding the Fourth Proportional to 841,637.52, 1,262,620.98 and 309,162.78

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Solution

The fourth proportional to 841,637.52, 1,262,620.98 and 309,162.78 is: 463,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,637.52 : 1,262,620.98 = 309,162.78 : x
  2. Step 2: Convert to fraction form
    841,637.52/1,262,620.98 = 309,162.78/x
  3. Step 3: Cross multiply
    841,637.52x = 1,262,620.98 × 309,162.78
  4. Step 4: Simplify right side
    841,637.52x = 390,355,412,263.12
  5. Step 5: Solve for x
    x = 390,355,412,263.12/841,637.52
  6. Step 6: Final answer
    x = 463,804.67

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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.