Home / 939,783.96-1,296,902.40-510,064.08

Finding the Fourth Proportional to 939,783.96, 1,296,902.40 and 510,064.08

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Solution

The fourth proportional to 939,783.96, 1,296,902.40 and 510,064.08 is: 703,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,783.96 : 1,296,902.40 = 510,064.08 : x
  2. Step 2: Convert to fraction form
    939,783.96/1,296,902.40 = 510,064.08/x
  3. Step 3: Cross multiply
    939,783.96x = 1,296,902.40 × 510,064.08
  4. Step 4: Simplify right side
    939,783.96x = 661,503,329,505.79
  5. Step 5: Solve for x
    x = 661,503,329,505.79/939,783.96
  6. Step 6: Final answer
    x = 703,888.72

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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.