Home / 710,993.04-1,066,490.64-284,720.82

Finding the Fourth Proportional to 710,993.04, 1,066,490.64 and 284,720.82

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Solution

The fourth proportional to 710,993.04, 1,066,490.64 and 284,720.82 is: 427,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,993.04 : 1,066,490.64 = 284,720.82 : x
  2. Step 2: Convert to fraction form
    710,993.04/1,066,490.64 = 284,720.82/x
  3. Step 3: Cross multiply
    710,993.04x = 1,066,490.64 × 284,720.82
  4. Step 4: Simplify right side
    710,993.04x = 303,652,089,543.13
  5. Step 5: Solve for x
    x = 303,652,089,543.13/710,993.04
  6. Step 6: Final answer
    x = 427,081.66

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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.