Home / 971,348.38-1,340,427.58-535,783.04

Finding the Fourth Proportional to 971,348.38, 1,340,427.58 and 535,783.04

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Solution

The fourth proportional to 971,348.38, 1,340,427.58 and 535,783.04 is: 739,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,348.38 : 1,340,427.58 = 535,783.04 : x
  2. Step 2: Convert to fraction form
    971,348.38/1,340,427.58 = 535,783.04/x
  3. Step 3: Cross multiply
    971,348.38x = 1,340,427.58 × 535,783.04
  4. Step 4: Simplify right side
    971,348.38x = 718,178,363,712.24
  5. Step 5: Solve for x
    x = 718,178,363,712.24/971,348.38
  6. Step 6: Final answer
    x = 739,362.29

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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.