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Finding the Fourth Proportional to 660,047.13, 910,708.92 and 373,567.22

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Solution

The fourth proportional to 660,047.13, 910,708.92 and 373,567.22 is: 515,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,047.13 : 910,708.92 = 373,567.22 : x
  2. Step 2: Convert to fraction form
    660,047.13/910,708.92 = 373,567.22/x
  3. Step 3: Cross multiply
    660,047.13x = 910,708.92 × 373,567.22
  4. Step 4: Simplify right side
    660,047.13x = 340,210,999,473.60
  5. Step 5: Solve for x
    x = 340,210,999,473.60/660,047.13
  6. Step 6: Final answer
    x = 515,434.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.