Home / 910,028.25-1,255,838.99-507,620.25

Finding the Fourth Proportional to 910,028.25, 1,255,838.99 and 507,620.25

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Solution

The fourth proportional to 910,028.25, 1,255,838.99 and 507,620.25 is: 700,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,028.25 : 1,255,838.99 = 507,620.25 : x
  2. Step 2: Convert to fraction form
    910,028.25/1,255,838.99 = 507,620.25/x
  3. Step 3: Cross multiply
    910,028.25x = 1,255,838.99 × 507,620.25
  4. Step 4: Simplify right side
    910,028.25x = 637,489,299,525.45
  5. Step 5: Solve for x
    x = 637,489,299,525.45/910,028.25
  6. Step 6: Final answer
    x = 700,515.95

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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.