Home / 761,692.95-1,050,658.29-490,113.72

Finding the Fourth Proportional to 761,692.95, 1,050,658.29 and 490,113.72

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Solution

The fourth proportional to 761,692.95, 1,050,658.29 and 490,113.72 is: 676,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,692.95 : 1,050,658.29 = 490,113.72 : x
  2. Step 2: Convert to fraction form
    761,692.95/1,050,658.29 = 490,113.72/x
  3. Step 3: Cross multiply
    761,692.95x = 1,050,658.29 × 490,113.72
  4. Step 4: Simplify right side
    761,692.95x = 514,942,042,960.74
  5. Step 5: Solve for x
    x = 514,942,042,960.74/761,692.95
  6. Step 6: Final answer
    x = 676,049.38

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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.