Home / 909,945.60-1,255,666.57-502,047.38

Finding the Fourth Proportional to 909,945.60, 1,255,666.57 and 502,047.38

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Solution

The fourth proportional to 909,945.60, 1,255,666.57 and 502,047.38 is: 692,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,945.60 : 1,255,666.57 = 502,047.38 : x
  2. Step 2: Convert to fraction form
    909,945.60/1,255,666.57 = 502,047.38/x
  3. Step 3: Cross multiply
    909,945.60x = 1,255,666.57 × 502,047.38
  4. Step 4: Simplify right side
    909,945.60x = 630,404,111,622.09
  5. Step 5: Solve for x
    x = 630,404,111,622.09/909,945.60
  6. Step 6: Final answer
    x = 692,793.19

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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.