Home / 803,612.85-1,205,603.34-348,280.50

Finding the Fourth Proportional to 803,612.85, 1,205,603.34 and 348,280.50

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Solution

The fourth proportional to 803,612.85, 1,205,603.34 and 348,280.50 is: 522,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,612.85 : 1,205,603.34 = 348,280.50 : x
  2. Step 2: Convert to fraction form
    803,612.85/1,205,603.34 = 348,280.50/x
  3. Step 3: Cross multiply
    803,612.85x = 1,205,603.34 × 348,280.50
  4. Step 4: Simplify right side
    803,612.85x = 419,888,134,056.87
  5. Step 5: Solve for x
    x = 419,888,134,056.87/803,612.85
  6. Step 6: Final answer
    x = 522,500.52

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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.