Home / 709,675.70-1,064,513.55-457,733.30

Finding the Fourth Proportional to 709,675.70, 1,064,513.55 and 457,733.30

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Solution

The fourth proportional to 709,675.70, 1,064,513.55 and 457,733.30 is: 686,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,675.70 : 1,064,513.55 = 457,733.30 : x
  2. Step 2: Convert to fraction form
    709,675.70/1,064,513.55 = 457,733.30/x
  3. Step 3: Cross multiply
    709,675.70x = 1,064,513.55 × 457,733.30
  4. Step 4: Simplify right side
    709,675.70x = 487,263,300,136.22
  5. Step 5: Solve for x
    x = 487,263,300,136.22/709,675.70
  6. Step 6: Final answer
    x = 686,599.95

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1.5x scale

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.