Home / 939,837.95-1,296,941.62-510,108.92

Finding the Fourth Proportional to 939,837.95, 1,296,941.62 and 510,108.92

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Solution

The fourth proportional to 939,837.95, 1,296,941.62 and 510,108.92 is: 703,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,837.95 : 1,296,941.62 = 510,108.92 : x
  2. Step 2: Convert to fraction form
    939,837.95/1,296,941.62 = 510,108.92/x
  3. Step 3: Cross multiply
    939,837.95x = 1,296,941.62 × 510,108.92
  4. Step 4: Simplify right side
    939,837.95x = 661,581,489,081.25
  5. Step 5: Solve for x
    x = 661,581,489,081.25/939,837.95
  6. Step 6: Final answer
    x = 703,931.45

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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.