Home / 761,120.84-1,050,347.21-416,969.28

Finding the Fourth Proportional to 761,120.84, 1,050,347.21 and 416,969.28

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Solution

The fourth proportional to 761,120.84, 1,050,347.21 and 416,969.28 is: 575,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,120.84 : 1,050,347.21 = 416,969.28 : x
  2. Step 2: Convert to fraction form
    761,120.84/1,050,347.21 = 416,969.28/x
  3. Step 3: Cross multiply
    761,120.84x = 1,050,347.21 × 416,969.28
  4. Step 4: Simplify right side
    761,120.84x = 437,962,517,818.86
  5. Step 5: Solve for x
    x = 437,962,517,818.86/761,120.84
  6. Step 6: Final answer
    x = 575,417.85

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Double scale
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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.