Home / 909,565.48-1,364,516.70-310,493.80

Finding the Fourth Proportional to 909,565.48, 1,364,516.70 and 310,493.80

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Solution

The fourth proportional to 909,565.48, 1,364,516.70 and 310,493.80 is: 465,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,565.48 : 1,364,516.70 = 310,493.80 : x
  2. Step 2: Convert to fraction form
    909,565.48/1,364,516.70 = 310,493.80/x
  3. Step 3: Cross multiply
    909,565.48x = 1,364,516.70 × 310,493.80
  4. Step 4: Simplify right side
    909,565.48x = 423,673,975,346.46
  5. Step 5: Solve for x
    x = 423,673,975,346.46/909,565.48
  6. Step 6: Final answer
    x = 465,798.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.