Home / 874,458.34-1,206,838.60-511,860.22

Finding the Fourth Proportional to 874,458.34, 1,206,838.60 and 511,860.22

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Solution

The fourth proportional to 874,458.34, 1,206,838.60 and 511,860.22 is: 706,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,458.34 : 1,206,838.60 = 511,860.22 : x
  2. Step 2: Convert to fraction form
    874,458.34/1,206,838.60 = 511,860.22/x
  3. Step 3: Cross multiply
    874,458.34x = 1,206,838.60 × 511,860.22
  4. Step 4: Simplify right side
    874,458.34x = 617,732,671,300.49
  5. Step 5: Solve for x
    x = 617,732,671,300.49/874,458.34
  6. Step 6: Final answer
    x = 706,417.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.