Home / 982,148.45-1,355,365.19-552,428.87

Finding the Fourth Proportional to 982,148.45, 1,355,365.19 and 552,428.87

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Solution

The fourth proportional to 982,148.45, 1,355,365.19 and 552,428.87 is: 762,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,148.45 : 1,355,365.19 = 552,428.87 : x
  2. Step 2: Convert to fraction form
    982,148.45/1,355,365.19 = 552,428.87/x
  3. Step 3: Cross multiply
    982,148.45x = 1,355,365.19 × 552,428.87
  4. Step 4: Simplify right side
    982,148.45x = 748,742,860,349.04
  5. Step 5: Solve for x
    x = 748,742,860,349.04/982,148.45
  6. Step 6: Final answer
    x = 762,352.03

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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.