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Finding the Fourth Proportional to 559,802.73, 772,526.59 and 314,788.33

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Solution

The fourth proportional to 559,802.73, 772,526.59 and 314,788.33 is: 434,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,802.73 : 772,526.59 = 314,788.33 : x
  2. Step 2: Convert to fraction form
    559,802.73/772,526.59 = 314,788.33/x
  3. Step 3: Cross multiply
    559,802.73x = 772,526.59 × 314,788.33
  4. Step 4: Simplify right side
    559,802.73x = 243,182,355,146.70
  5. Step 5: Solve for x
    x = 243,182,355,146.70/559,802.73
  6. Step 6: Final answer
    x = 434,407.23

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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.