Home / 914,295.64-1,371,533.72-315,177.96

Finding the Fourth Proportional to 914,295.64, 1,371,533.72 and 315,177.96

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Solution

The fourth proportional to 914,295.64, 1,371,533.72 and 315,177.96 is: 472,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,295.64 : 1,371,533.72 = 315,177.96 : x
  2. Step 2: Convert to fraction form
    914,295.64/1,371,533.72 = 315,177.96/x
  3. Step 3: Cross multiply
    914,295.64x = 1,371,533.72 × 315,177.96
  4. Step 4: Simplify right side
    914,295.64x = 432,277,199,940.81
  5. Step 5: Solve for x
    x = 432,277,199,940.81/914,295.64
  6. Step 6: Final answer
    x = 472,798.05

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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.