Home / 761,177.69-1,050,424.84-455,254.06

Finding the Fourth Proportional to 761,177.69, 1,050,424.84 and 455,254.06

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Solution

The fourth proportional to 761,177.69, 1,050,424.84 and 455,254.06 is: 628,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,177.69 : 1,050,424.84 = 455,254.06 : x
  2. Step 2: Convert to fraction form
    761,177.69/1,050,424.84 = 455,254.06/x
  3. Step 3: Cross multiply
    761,177.69x = 1,050,424.84 × 455,254.06
  4. Step 4: Simplify right side
    761,177.69x = 478,210,173,134.85
  5. Step 5: Solve for x
    x = 478,210,173,134.85/761,177.69
  6. Step 6: Final answer
    x = 628,250.38

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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.