Home / 694,888.65-1,041,840.90-315,990.90

Finding the Fourth Proportional to 694,888.65, 1,041,840.90 and 315,990.90

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Solution

The fourth proportional to 694,888.65, 1,041,840.90 and 315,990.90 is: 473,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,888.65 : 1,041,840.90 = 315,990.90 : x
  2. Step 2: Convert to fraction form
    694,888.65/1,041,840.90 = 315,990.90/x
  3. Step 3: Cross multiply
    694,888.65x = 1,041,840.90 × 315,990.90
  4. Step 4: Simplify right side
    694,888.65x = 329,212,243,647.81
  5. Step 5: Solve for x
    x = 329,212,243,647.81/694,888.65
  6. Step 6: Final answer
    x = 473,762.59

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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.