Home / 821,145.84-1,133,159.16-458,559.60

Finding the Fourth Proportional to 821,145.84, 1,133,159.16 and 458,559.60

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Solution

The fourth proportional to 821,145.84, 1,133,159.16 and 458,559.60 is: 632,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,145.84 : 1,133,159.16 = 458,559.60 : x
  2. Step 2: Convert to fraction form
    821,145.84/1,133,159.16 = 458,559.60/x
  3. Step 3: Cross multiply
    821,145.84x = 1,133,159.16 × 458,559.60
  4. Step 4: Simplify right side
    821,145.84x = 519,621,011,145.94
  5. Step 5: Solve for x
    x = 519,621,011,145.94/821,145.84
  6. Step 6: Final answer
    x = 632,799.91

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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.