Home / 774,020.50-1,068,051.58-429,809.63

Finding the Fourth Proportional to 774,020.50, 1,068,051.58 and 429,809.63

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Solution

The fourth proportional to 774,020.50, 1,068,051.58 and 429,809.63 is: 593,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,020.50 : 1,068,051.58 = 429,809.63 : x
  2. Step 2: Convert to fraction form
    774,020.50/1,068,051.58 = 429,809.63/x
  3. Step 3: Cross multiply
    774,020.50x = 1,068,051.58 × 429,809.63
  4. Step 4: Simplify right side
    774,020.50x = 459,058,848,005.93
  5. Step 5: Solve for x
    x = 459,058,848,005.93/774,020.50
  6. Step 6: Final answer
    x = 593,083.58

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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.