Home / 909,929.27-1,255,706.76-502,031.09

Finding the Fourth Proportional to 909,929.27, 1,255,706.76 and 502,031.09

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Solution

The fourth proportional to 909,929.27, 1,255,706.76 and 502,031.09 is: 692,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,929.27 : 1,255,706.76 = 502,031.09 : x
  2. Step 2: Convert to fraction form
    909,929.27/1,255,706.76 = 502,031.09/x
  3. Step 3: Cross multiply
    909,929.27x = 1,255,706.76 × 502,031.09
  4. Step 4: Simplify right side
    909,929.27x = 630,403,833,443.17
  5. Step 5: Solve for x
    x = 630,403,833,443.17/909,929.27
  6. Step 6: Final answer
    x = 692,805.31

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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.