Home / 810,088.52-1,117,918.56-447,512.54

Finding the Fourth Proportional to 810,088.52, 1,117,918.56 and 447,512.54

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Solution

The fourth proportional to 810,088.52, 1,117,918.56 and 447,512.54 is: 617,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,088.52 : 1,117,918.56 = 447,512.54 : x
  2. Step 2: Convert to fraction form
    810,088.52/1,117,918.56 = 447,512.54/x
  3. Step 3: Cross multiply
    810,088.52x = 1,117,918.56 × 447,512.54
  4. Step 4: Simplify right side
    810,088.52x = 500,282,574,298.74
  5. Step 5: Solve for x
    x = 500,282,574,298.74/810,088.52
  6. Step 6: Final answer
    x = 617,565.32

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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.