Home / 920,530.08-1,270,027.08-538,286.28

Finding the Fourth Proportional to 920,530.08, 1,270,027.08 and 538,286.28

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Solution

The fourth proportional to 920,530.08, 1,270,027.08 and 538,286.28 is: 742,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,530.08 : 1,270,027.08 = 538,286.28 : x
  2. Step 2: Convert to fraction form
    920,530.08/1,270,027.08 = 538,286.28/x
  3. Step 3: Cross multiply
    920,530.08x = 1,270,027.08 × 538,286.28
  4. Step 4: Simplify right side
    920,530.08x = 683,638,152,392.46
  5. Step 5: Solve for x
    x = 683,638,152,392.46/920,530.08
  6. Step 6: Final answer
    x = 742,657.05

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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.