Home / 939,783.18-1,296,913.23-510,068.46

Finding the Fourth Proportional to 939,783.18, 1,296,913.23 and 510,068.46

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Solution

The fourth proportional to 939,783.18, 1,296,913.23 and 510,068.46 is: 703,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,783.18 : 1,296,913.23 = 510,068.46 : x
  2. Step 2: Convert to fraction form
    939,783.18/1,296,913.23 = 510,068.46/x
  3. Step 3: Cross multiply
    939,783.18x = 1,296,913.23 × 510,068.46
  4. Step 4: Simplify right side
    939,783.18x = 661,514,533,979.73
  5. Step 5: Solve for x
    x = 661,514,533,979.73/939,783.18
  6. Step 6: Final answer
    x = 703,901.23

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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.