Home / 761,841.72-1,051,070.58-439,633.44

Finding the Fourth Proportional to 761,841.72, 1,051,070.58 and 439,633.44

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Solution

The fourth proportional to 761,841.72, 1,051,070.58 and 439,633.44 is: 606,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,841.72 : 1,051,070.58 = 439,633.44 : x
  2. Step 2: Convert to fraction form
    761,841.72/1,051,070.58 = 439,633.44/x
  3. Step 3: Cross multiply
    761,841.72x = 1,051,070.58 × 439,633.44
  4. Step 4: Simplify right side
    761,841.72x = 462,085,774,768.20
  5. Step 5: Solve for x
    x = 462,085,774,768.20/761,841.72
  6. Step 6: Final answer
    x = 606,537.77

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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.