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Finding the Fourth Proportional to 567,802.95, 783,615.15 and 326,132.16

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Solution

The fourth proportional to 567,802.95, 783,615.15 and 326,132.16 is: 450,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,802.95 : 783,615.15 = 326,132.16 : x
  2. Step 2: Convert to fraction form
    567,802.95/783,615.15 = 326,132.16/x
  3. Step 3: Cross multiply
    567,802.95x = 783,615.15 × 326,132.16
  4. Step 4: Simplify right side
    567,802.95x = 255,562,101,478.22
  5. Step 5: Solve for x
    x = 255,562,101,478.22/567,802.95
  6. Step 6: Final answer
    x = 450,089.42

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1.5x scale

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.