Home / 709,053.21-1,063,848.53-424,947.65

Finding the Fourth Proportional to 709,053.21, 1,063,848.53 and 424,947.65

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Solution

The fourth proportional to 709,053.21, 1,063,848.53 and 424,947.65 is: 637,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,053.21 : 1,063,848.53 = 424,947.65 : x
  2. Step 2: Convert to fraction form
    709,053.21/1,063,848.53 = 424,947.65/x
  3. Step 3: Cross multiply
    709,053.21x = 1,063,848.53 × 424,947.65
  4. Step 4: Simplify right side
    709,053.21x = 452,079,928,522.58
  5. Step 5: Solve for x
    x = 452,079,928,522.58/709,053.21
  6. Step 6: Final answer
    x = 637,582.51

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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.