Home / 810,914.67-1,119,017.07-448,317.36

Finding the Fourth Proportional to 810,914.67, 1,119,017.07 and 448,317.36

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Solution

The fourth proportional to 810,914.67, 1,119,017.07 and 448,317.36 is: 618,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,914.67 : 1,119,017.07 = 448,317.36 : x
  2. Step 2: Convert to fraction form
    810,914.67/1,119,017.07 = 448,317.36/x
  3. Step 3: Cross multiply
    810,914.67x = 1,119,017.07 × 448,317.36
  4. Step 4: Simplify right side
    810,914.67x = 501,674,778,617.34
  5. Step 5: Solve for x
    x = 501,674,778,617.34/810,914.67
  6. Step 6: Final answer
    x = 618,652.98

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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.