Home / 909,920.56-1,255,703.16-502,040.20

Finding the Fourth Proportional to 909,920.56, 1,255,703.16 and 502,040.20

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Solution

The fourth proportional to 909,920.56, 1,255,703.16 and 502,040.20 is: 692,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,920.56 : 1,255,703.16 = 502,040.20 : x
  2. Step 2: Convert to fraction form
    909,920.56/1,255,703.16 = 502,040.20/x
  3. Step 3: Cross multiply
    909,920.56x = 1,255,703.16 × 502,040.20
  4. Step 4: Simplify right side
    909,920.56x = 630,413,465,587.03
  5. Step 5: Solve for x
    x = 630,413,465,587.03/909,920.56
  6. Step 6: Final answer
    x = 692,822.53

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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.