Home / 761,464.62-1,050,543.18-455,549.85

Finding the Fourth Proportional to 761,464.62, 1,050,543.18 and 455,549.85

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Solution

The fourth proportional to 761,464.62, 1,050,543.18 and 455,549.85 is: 628,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,464.62 : 1,050,543.18 = 455,549.85 : x
  2. Step 2: Convert to fraction form
    761,464.62/1,050,543.18 = 455,549.85/x
  3. Step 3: Cross multiply
    761,464.62x = 1,050,543.18 × 455,549.85
  4. Step 4: Simplify right side
    761,464.62x = 478,574,788,067.52
  5. Step 5: Solve for x
    x = 478,574,788,067.52/761,464.62
  6. Step 6: Final answer
    x = 628,492.48

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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.