Home / 761,113.89-1,050,371.79-421,582.14

Finding the Fourth Proportional to 761,113.89, 1,050,371.79 and 421,582.14

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Solution

The fourth proportional to 761,113.89, 1,050,371.79 and 421,582.14 is: 581,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,113.89 : 1,050,371.79 = 421,582.14 : x
  2. Step 2: Convert to fraction form
    761,113.89/1,050,371.79 = 421,582.14/x
  3. Step 3: Cross multiply
    761,113.89x = 1,050,371.79 × 421,582.14
  4. Step 4: Simplify right side
    761,113.89x = 442,817,987,023.83
  5. Step 5: Solve for x
    x = 442,817,987,023.83/761,113.89
  6. Step 6: Final answer
    x = 581,802.53

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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.