Home / 907,554.63-1,252,377.82-499,576.77

Finding the Fourth Proportional to 907,554.63, 1,252,377.82 and 499,576.77

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Solution

The fourth proportional to 907,554.63, 1,252,377.82 and 499,576.77 is: 689,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,554.63 : 1,252,377.82 = 499,576.77 : x
  2. Step 2: Convert to fraction form
    907,554.63/1,252,377.82 = 499,576.77/x
  3. Step 3: Cross multiply
    907,554.63x = 1,252,377.82 × 499,576.77
  4. Step 4: Simplify right side
    907,554.63x = 625,658,866,135.24
  5. Step 5: Solve for x
    x = 625,658,866,135.24/907,554.63
  6. Step 6: Final answer
    x = 689,389.76

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1.5x scale

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.