Home / 1,685,488.35-2,528,306.36-487,531.76

Finding the Fourth Proportional to 1,685,488.35, 2,528,306.36 and 487,531.76

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Solution

The fourth proportional to 1,685,488.35, 2,528,306.36 and 487,531.76 is: 731,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,488.35 : 2,528,306.36 = 487,531.76 : x
  2. Step 2: Convert to fraction form
    1,685,488.35/2,528,306.36 = 487,531.76/x
  3. Step 3: Cross multiply
    1,685,488.35x = 2,528,306.36 × 487,531.76
  4. Step 4: Simplify right side
    1,685,488.35x = 1,232,629,650,480.77
  5. Step 5: Solve for x
    x = 1,232,629,650,480.77/1,685,488.35
  6. Step 6: Final answer
    x = 731,319.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.