Home / 761,530.84-1,050,918.84-422,004.76

Finding the Fourth Proportional to 761,530.84, 1,050,918.84 and 422,004.76

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Solution

The fourth proportional to 761,530.84, 1,050,918.84 and 422,004.76 is: 582,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,530.84 : 1,050,918.84 = 422,004.76 : x
  2. Step 2: Convert to fraction form
    761,530.84/1,050,918.84 = 422,004.76/x
  3. Step 3: Cross multiply
    761,530.84x = 1,050,918.84 × 422,004.76
  4. Step 4: Simplify right side
    761,530.84x = 443,492,752,853.68
  5. Step 5: Solve for x
    x = 443,492,752,853.68/761,530.84
  6. Step 6: Final answer
    x = 582,370.05

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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.