Home / 874,931.22-1,312,229.16-369,325.98

Finding the Fourth Proportional to 874,931.22, 1,312,229.16 and 369,325.98

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Solution

The fourth proportional to 874,931.22, 1,312,229.16 and 369,325.98 is: 553,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,931.22 : 1,312,229.16 = 369,325.98 : x
  2. Step 2: Convert to fraction form
    874,931.22/1,312,229.16 = 369,325.98/x
  3. Step 3: Cross multiply
    874,931.22x = 1,312,229.16 × 369,325.98
  4. Step 4: Simplify right side
    874,931.22x = 484,640,320,501.58
  5. Step 5: Solve for x
    x = 484,640,320,501.58/874,931.22
  6. Step 6: Final answer
    x = 553,918.19

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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.