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Finding the Fourth Proportional to 935,720.40, 1,403,580.60 and 510,567.60

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Solution

The fourth proportional to 935,720.40, 1,403,580.60 and 510,567.60 is: 765,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,720.40 : 1,403,580.60 = 510,567.60 : x
  2. Step 2: Convert to fraction form
    935,720.40/1,403,580.60 = 510,567.60/x
  3. Step 3: Cross multiply
    935,720.40x = 1,403,580.60 × 510,567.60
  4. Step 4: Simplify right side
    935,720.40x = 716,622,778,348.56
  5. Step 5: Solve for x
    x = 716,622,778,348.56/935,720.40
  6. Step 6: Final answer
    x = 765,851.40

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