Home / 920,363.60-1,269,853.80-538,484.24

Finding the Fourth Proportional to 920,363.60, 1,269,853.80 and 538,484.24

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Solution

The fourth proportional to 920,363.60, 1,269,853.80 and 538,484.24 is: 742,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,363.60 : 1,269,853.80 = 538,484.24 : x
  2. Step 2: Convert to fraction form
    920,363.60/1,269,853.80 = 538,484.24/x
  3. Step 3: Cross multiply
    920,363.60x = 1,269,853.80 × 538,484.24
  4. Step 4: Simplify right side
    920,363.60x = 683,796,258,404.11
  5. Step 5: Solve for x
    x = 683,796,258,404.11/920,363.60
  6. Step 6: Final answer
    x = 742,963.17

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1.5x scale

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.