Home / 697,108.30-1,045,662.45-621,000.70

Finding the Fourth Proportional to 697,108.30, 1,045,662.45 and 621,000.70

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Solution

The fourth proportional to 697,108.30, 1,045,662.45 and 621,000.70 is: 931,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,108.30 : 1,045,662.45 = 621,000.70 : x
  2. Step 2: Convert to fraction form
    697,108.30/1,045,662.45 = 621,000.70/x
  3. Step 3: Cross multiply
    697,108.30x = 1,045,662.45 × 621,000.70
  4. Step 4: Simplify right side
    697,108.30x = 649,357,113,413.72
  5. Step 5: Solve for x
    x = 649,357,113,413.72/697,108.30
  6. Step 6: Final answer
    x = 931,501.05

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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.