Home / 761,177.93-1,050,425.18-455,254.31

Finding the Fourth Proportional to 761,177.93, 1,050,425.18 and 455,254.31

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Solution

The fourth proportional to 761,177.93, 1,050,425.18 and 455,254.31 is: 628,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,177.93 : 1,050,425.18 = 455,254.31 : x
  2. Step 2: Convert to fraction form
    761,177.93/1,050,425.18 = 455,254.31/x
  3. Step 3: Cross multiply
    761,177.93x = 1,050,425.18 × 455,254.31
  4. Step 4: Simplify right side
    761,177.93x = 478,210,594,291.73
  5. Step 5: Solve for x
    x = 478,210,594,291.73/761,177.93
  6. Step 6: Final answer
    x = 628,250.73

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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.