Home / 744,011.48-1,026,816-421,686.92

Finding the Fourth Proportional to 744,011.48, 1,026,816 and 421,686.92

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Solution

The fourth proportional to 744,011.48, 1,026,816 and 421,686.92 is: 581,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,011.48 : 1,026,816 = 421,686.92 : x
  2. Step 2: Convert to fraction form
    744,011.48/1,026,816 = 421,686.92/x
  3. Step 3: Cross multiply
    744,011.48x = 1,026,816 × 421,686.92
  4. Step 4: Simplify right side
    744,011.48x = 432,994,876,446.72
  5. Step 5: Solve for x
    x = 432,994,876,446.72/744,011.48
  6. Step 6: Final answer
    x = 581,973.38

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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.