Home / 761,442.63-1,142,234.48-249,110.61

Finding the Fourth Proportional to 761,442.63, 1,142,234.48 and 249,110.61

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Solution

The fourth proportional to 761,442.63, 1,142,234.48 and 249,110.61 is: 373,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,442.63 : 1,142,234.48 = 249,110.61 : x
  2. Step 2: Convert to fraction form
    761,442.63/1,142,234.48 = 249,110.61/x
  3. Step 3: Cross multiply
    761,442.63x = 1,142,234.48 × 249,110.61
  4. Step 4: Simplify right side
    761,442.63x = 284,542,728,075.83
  5. Step 5: Solve for x
    x = 284,542,728,075.83/761,442.63
  6. Step 6: Final answer
    x = 373,688.99

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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.