Home / 909,848.56-1,255,660.68-502,029.12

Finding the Fourth Proportional to 909,848.56, 1,255,660.68 and 502,029.12

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Solution

The fourth proportional to 909,848.56, 1,255,660.68 and 502,029.12 is: 692,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,848.56 : 1,255,660.68 = 502,029.12 : x
  2. Step 2: Convert to fraction form
    909,848.56/1,255,660.68 = 502,029.12/x
  3. Step 3: Cross multiply
    909,848.56x = 1,255,660.68 × 502,029.12
  4. Step 4: Simplify right side
    909,848.56x = 630,378,226,199.00
  5. Step 5: Solve for x
    x = 630,378,226,199.00/909,848.56
  6. Step 6: Final answer
    x = 692,838.63

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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.