Home / 668,897.14-1,003,498.95-289,881.46

Finding the Fourth Proportional to 668,897.14, 1,003,498.95 and 289,881.46

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Solution

The fourth proportional to 668,897.14, 1,003,498.95 and 289,881.46 is: 434,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,897.14 : 1,003,498.95 = 289,881.46 : x
  2. Step 2: Convert to fraction form
    668,897.14/1,003,498.95 = 289,881.46/x
  3. Step 3: Cross multiply
    668,897.14x = 1,003,498.95 × 289,881.46
  4. Step 4: Simplify right side
    668,897.14x = 290,895,739,438.26
  5. Step 5: Solve for x
    x = 290,895,739,438.26/668,897.14
  6. Step 6: Final answer
    x = 434,888.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.