Home / 875,855.43-1,208,473.70-493,808.40

Finding the Fourth Proportional to 875,855.43, 1,208,473.70 and 493,808.40

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Solution

The fourth proportional to 875,855.43, 1,208,473.70 and 493,808.40 is: 681,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,855.43 : 1,208,473.70 = 493,808.40 : x
  2. Step 2: Convert to fraction form
    875,855.43/1,208,473.70 = 493,808.40/x
  3. Step 3: Cross multiply
    875,855.43x = 1,208,473.70 × 493,808.40
  4. Step 4: Simplify right side
    875,855.43x = 596,754,461,770.04
  5. Step 5: Solve for x
    x = 596,754,461,770.04/875,855.43
  6. Step 6: Final answer
    x = 681,339.00

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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.