Home / 948,518.61-1,308,845.54-561,350.96

Finding the Fourth Proportional to 948,518.61, 1,308,845.54 and 561,350.96

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Solution

The fourth proportional to 948,518.61, 1,308,845.54 and 561,350.96 is: 774,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,518.61 : 1,308,845.54 = 561,350.96 : x
  2. Step 2: Convert to fraction form
    948,518.61/1,308,845.54 = 561,350.96/x
  3. Step 3: Cross multiply
    948,518.61x = 1,308,845.54 × 561,350.96
  4. Step 4: Simplify right side
    948,518.61x = 734,721,696,980.44
  5. Step 5: Solve for x
    x = 734,721,696,980.44/948,518.61
  6. Step 6: Final answer
    x = 774,599.14

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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.