Home / 874,722.04-1,312,149.59-298,166.28

Finding the Fourth Proportional to 874,722.04, 1,312,149.59 and 298,166.28

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Solution

The fourth proportional to 874,722.04, 1,312,149.59 and 298,166.28 is: 447,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,722.04 : 1,312,149.59 = 298,166.28 : x
  2. Step 2: Convert to fraction form
    874,722.04/1,312,149.59 = 298,166.28/x
  3. Step 3: Cross multiply
    874,722.04x = 1,312,149.59 × 298,166.28
  4. Step 4: Simplify right side
    874,722.04x = 391,238,762,053.83
  5. Step 5: Solve for x
    x = 391,238,762,053.83/874,722.04
  6. Step 6: Final answer
    x = 447,272.10

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1.5x scale

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.