Home / 770,848.68-1,156,298.40-265,404.36

Finding the Fourth Proportional to 770,848.68, 1,156,298.40 and 265,404.36

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Solution

The fourth proportional to 770,848.68, 1,156,298.40 and 265,404.36 is: 398,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,848.68 : 1,156,298.40 = 265,404.36 : x
  2. Step 2: Convert to fraction form
    770,848.68/1,156,298.40 = 265,404.36/x
  3. Step 3: Cross multiply
    770,848.68x = 1,156,298.40 × 265,404.36
  4. Step 4: Simplify right side
    770,848.68x = 306,886,636,821.02
  5. Step 5: Solve for x
    x = 306,886,636,821.02/770,848.68
  6. Step 6: Final answer
    x = 398,115.28

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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.