Home / 939,740.34-1,296,830.88-510,020.76

Finding the Fourth Proportional to 939,740.34, 1,296,830.88 and 510,020.76

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Solution

The fourth proportional to 939,740.34, 1,296,830.88 and 510,020.76 is: 703,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,740.34 : 1,296,830.88 = 510,020.76 : x
  2. Step 2: Convert to fraction form
    939,740.34/1,296,830.88 = 510,020.76/x
  3. Step 3: Cross multiply
    939,740.34x = 1,296,830.88 × 510,020.76
  4. Step 4: Simplify right side
    939,740.34x = 661,410,671,009.07
  5. Step 5: Solve for x
    x = 661,410,671,009.07/939,740.34
  6. Step 6: Final answer
    x = 703,822.79

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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.