Home / 939,837.70-1,296,941.28-510,108.67

Finding the Fourth Proportional to 939,837.70, 1,296,941.28 and 510,108.67

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Solution

The fourth proportional to 939,837.70, 1,296,941.28 and 510,108.67 is: 703,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,837.70 : 1,296,941.28 = 510,108.67 : x
  2. Step 2: Convert to fraction form
    939,837.70/1,296,941.28 = 510,108.67/x
  3. Step 3: Cross multiply
    939,837.70x = 1,296,941.28 × 510,108.67
  4. Step 4: Simplify right side
    939,837.70x = 661,580,988,858.35
  5. Step 5: Solve for x
    x = 661,580,988,858.35/939,837.70
  6. Step 6: Final answer
    x = 703,931.10

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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.