Home / 828,384.90-1,241,702.55-472,632.90

Finding the Fourth Proportional to 828,384.90, 1,241,702.55 and 472,632.90

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Solution

The fourth proportional to 828,384.90, 1,241,702.55 and 472,632.90 is: 708,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,384.90 : 1,241,702.55 = 472,632.90 : x
  2. Step 2: Convert to fraction form
    828,384.90/1,241,702.55 = 472,632.90/x
  3. Step 3: Cross multiply
    828,384.90x = 1,241,702.55 × 472,632.90
  4. Step 4: Simplify right side
    828,384.90x = 586,869,477,143.90
  5. Step 5: Solve for x
    x = 586,869,477,143.90/828,384.90
  6. Step 6: Final answer
    x = 708,450.24

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1.5x scale

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.