Home / 909,762.46-1,255,452.09-501,864.62

Finding the Fourth Proportional to 909,762.46, 1,255,452.09 and 501,864.62

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Solution

The fourth proportional to 909,762.46, 1,255,452.09 and 501,864.62 is: 692,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,762.46 : 1,255,452.09 = 501,864.62 : x
  2. Step 2: Convert to fraction form
    909,762.46/1,255,452.09 = 501,864.62/x
  3. Step 3: Cross multiply
    909,762.46x = 1,255,452.09 × 501,864.62
  4. Step 4: Simplify right side
    909,762.46x = 630,066,986,076.06
  5. Step 5: Solve for x
    x = 630,066,986,076.06/909,762.46
  6. Step 6: Final answer
    x = 692,562.08

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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.