Home / 772,073.94-1,065,526.74-427,994.04

Finding the Fourth Proportional to 772,073.94, 1,065,526.74 and 427,994.04

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Solution

The fourth proportional to 772,073.94, 1,065,526.74 and 427,994.04 is: 590,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,073.94 : 1,065,526.74 = 427,994.04 : x
  2. Step 2: Convert to fraction form
    772,073.94/1,065,526.74 = 427,994.04/x
  3. Step 3: Cross multiply
    772,073.94x = 1,065,526.74 × 427,994.04
  4. Step 4: Simplify right side
    772,073.94x = 456,039,094,180.63
  5. Step 5: Solve for x
    x = 456,039,094,180.63/772,073.94
  6. Step 6: Final answer
    x = 590,667.64

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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.