Home / 495,239.25-683,420.65-291,312.44

Finding the Fourth Proportional to 495,239.25, 683,420.65 and 291,312.44

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Solution

The fourth proportional to 495,239.25, 683,420.65 and 291,312.44 is: 402,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,239.25 : 683,420.65 = 291,312.44 : x
  2. Step 2: Convert to fraction form
    495,239.25/683,420.65 = 291,312.44/x
  3. Step 3: Cross multiply
    495,239.25x = 683,420.65 × 291,312.44
  4. Step 4: Simplify right side
    495,239.25x = 199,088,937,097.89
  5. Step 5: Solve for x
    x = 199,088,937,097.89/495,239.25
  6. Step 6: Final answer
    x = 402,005.57

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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.