Home / 761,111.63-1,050,368.67-421,579.88

Finding the Fourth Proportional to 761,111.63, 1,050,368.67 and 421,579.88

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Solution

The fourth proportional to 761,111.63, 1,050,368.67 and 421,579.88 is: 581,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,111.63 : 1,050,368.67 = 421,579.88 : x
  2. Step 2: Convert to fraction form
    761,111.63/1,050,368.67 = 421,579.88/x
  3. Step 3: Cross multiply
    761,111.63x = 1,050,368.67 × 421,579.88
  4. Step 4: Simplify right side
    761,111.63x = 442,814,292,602.52
  5. Step 5: Solve for x
    x = 442,814,292,602.52/761,111.63
  6. Step 6: Final answer
    x = 581,799.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.