Home / 810,743.46-1,118,809.47-448,182.60

Finding the Fourth Proportional to 810,743.46, 1,118,809.47 and 448,182.60

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Solution

The fourth proportional to 810,743.46, 1,118,809.47 and 448,182.60 is: 618,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,743.46 : 1,118,809.47 = 448,182.60 : x
  2. Step 2: Convert to fraction form
    810,743.46/1,118,809.47 = 448,182.60/x
  3. Step 3: Cross multiply
    810,743.46x = 1,118,809.47 × 448,182.60
  4. Step 4: Simplify right side
    810,743.46x = 501,430,937,169.22
  5. Step 5: Solve for x
    x = 501,430,937,169.22/810,743.46
  6. Step 6: Final answer
    x = 618,482.86

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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.