Home / 705,991.49-974,274.65-383,702.36

Finding the Fourth Proportional to 705,991.49, 974,274.65 and 383,702.36

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Solution

The fourth proportional to 705,991.49, 974,274.65 and 383,702.36 is: 529,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,991.49 : 974,274.65 = 383,702.36 : x
  2. Step 2: Convert to fraction form
    705,991.49/974,274.65 = 383,702.36/x
  3. Step 3: Cross multiply
    705,991.49x = 974,274.65 × 383,702.36
  4. Step 4: Simplify right side
    705,991.49x = 373,831,478,581.06
  5. Step 5: Solve for x
    x = 373,831,478,581.06/705,991.49
  6. Step 6: Final answer
    x = 529,512.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.