Home / 673,456.10-1,011,350.55-358,528.10

Finding the Fourth Proportional to 673,456.10, 1,011,350.55 and 358,528.10

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Solution

The fourth proportional to 673,456.10, 1,011,350.55 and 358,528.10 is: 538,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,456.10 : 1,011,350.55 = 358,528.10 : x
  2. Step 2: Convert to fraction form
    673,456.10/1,011,350.55 = 358,528.10/x
  3. Step 3: Cross multiply
    673,456.10x = 1,011,350.55 × 358,528.10
  4. Step 4: Simplify right side
    673,456.10x = 362,597,591,125.46
  5. Step 5: Solve for x
    x = 362,597,591,125.46/673,456.10
  6. Step 6: Final answer
    x = 538,413.11

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Why These Related Problems?

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