Home / 761,099.22-1,050,388.02-421,567.74

Finding the Fourth Proportional to 761,099.22, 1,050,388.02 and 421,567.74

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Solution

The fourth proportional to 761,099.22, 1,050,388.02 and 421,567.74 is: 581,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,099.22 : 1,050,388.02 = 421,567.74 : x
  2. Step 2: Convert to fraction form
    761,099.22/1,050,388.02 = 421,567.74/x
  3. Step 3: Cross multiply
    761,099.22x = 1,050,388.02 × 421,567.74
  4. Step 4: Simplify right side
    761,099.22x = 442,809,703,714.48
  5. Step 5: Solve for x
    x = 442,809,703,714.48/761,099.22
  6. Step 6: Final answer
    x = 581,802.86

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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.