Home / 740,440.20-1,110,660.30-424,637.40

Finding the Fourth Proportional to 740,440.20, 1,110,660.30 and 424,637.40

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Solution

The fourth proportional to 740,440.20, 1,110,660.30 and 424,637.40 is: 636,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,440.20 : 1,110,660.30 = 424,637.40 : x
  2. Step 2: Convert to fraction form
    740,440.20/1,110,660.30 = 424,637.40/x
  3. Step 3: Cross multiply
    740,440.20x = 1,110,660.30 × 424,637.40
  4. Step 4: Simplify right side
    740,440.20x = 471,627,902,075.22
  5. Step 5: Solve for x
    x = 471,627,902,075.22/740,440.20
  6. Step 6: Final answer
    x = 636,956.10

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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.