Home / 790,699.59-1,186,038.90-191,666.16

Finding the Fourth Proportional to 790,699.59, 1,186,038.90 and 191,666.16

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Solution

The fourth proportional to 790,699.59, 1,186,038.90 and 191,666.16 is: 287,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,699.59 : 1,186,038.90 = 191,666.16 : x
  2. Step 2: Convert to fraction form
    790,699.59/1,186,038.90 = 191,666.16/x
  3. Step 3: Cross multiply
    790,699.59x = 1,186,038.90 × 191,666.16
  4. Step 4: Simplify right side
    790,699.59x = 227,323,521,573.62
  5. Step 5: Solve for x
    x = 227,323,521,573.62/790,699.59
  6. Step 6: Final answer
    x = 287,496.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.