Home / 761,863.98-1,051,384.14-417,731.28

Finding the Fourth Proportional to 761,863.98, 1,051,384.14 and 417,731.28

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Solution

The fourth proportional to 761,863.98, 1,051,384.14 and 417,731.28 is: 576,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,863.98 : 1,051,384.14 = 417,731.28 : x
  2. Step 2: Convert to fraction form
    761,863.98/1,051,384.14 = 417,731.28/x
  3. Step 3: Cross multiply
    761,863.98x = 1,051,384.14 × 417,731.28
  4. Step 4: Simplify right side
    761,863.98x = 439,196,042,573.90
  5. Step 5: Solve for x
    x = 439,196,042,573.90/761,863.98
  6. Step 6: Final answer
    x = 576,475.66

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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.