Home / 661,028.93-912,734.15-507,825.43

Finding the Fourth Proportional to 661,028.93, 912,734.15 and 507,825.43

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Solution

The fourth proportional to 661,028.93, 912,734.15 and 507,825.43 is: 701,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,028.93 : 912,734.15 = 507,825.43 : x
  2. Step 2: Convert to fraction form
    661,028.93/912,734.15 = 507,825.43/x
  3. Step 3: Cross multiply
    661,028.93x = 912,734.15 × 507,825.43
  4. Step 4: Simplify right side
    661,028.93x = 463,509,612,199.44
  5. Step 5: Solve for x
    x = 463,509,612,199.44/661,028.93
  6. Step 6: Final answer
    x = 701,194.14

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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.