Home / 939,878.04-1,296,996.90-510,148.98

Finding the Fourth Proportional to 939,878.04, 1,296,996.90 and 510,148.98

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Solution

The fourth proportional to 939,878.04, 1,296,996.90 and 510,148.98 is: 703,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,878.04 : 1,296,996.90 = 510,148.98 : x
  2. Step 2: Convert to fraction form
    939,878.04/1,296,996.90 = 510,148.98/x
  3. Step 3: Cross multiply
    939,878.04x = 1,296,996.90 × 510,148.98
  4. Step 4: Simplify right side
    939,878.04x = 661,661,645,598.16
  5. Step 5: Solve for x
    x = 661,661,645,598.16/939,878.04
  6. Step 6: Final answer
    x = 703,986.71

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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.