Home / 909,941.67-1,255,715.97-502,068.90

Finding the Fourth Proportional to 909,941.67, 1,255,715.97 and 502,068.90

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Solution

The fourth proportional to 909,941.67, 1,255,715.97 and 502,068.90 is: 692,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,941.67 : 1,255,715.97 = 502,068.90 : x
  2. Step 2: Convert to fraction form
    909,941.67/1,255,715.97 = 502,068.90/x
  3. Step 3: Cross multiply
    909,941.67x = 1,255,715.97 × 502,068.90
  4. Step 4: Simplify right side
    909,941.67x = 630,455,935,770.33
  5. Step 5: Solve for x
    x = 630,455,935,770.33/909,941.67
  6. Step 6: Final answer
    x = 692,853.13

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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.