Home / 745,752.11-1,029,089.46-439,758.35

Finding the Fourth Proportional to 745,752.11, 1,029,089.46 and 439,758.35

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Solution

The fourth proportional to 745,752.11, 1,029,089.46 and 439,758.35 is: 606,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,752.11 : 1,029,089.46 = 439,758.35 : x
  2. Step 2: Convert to fraction form
    745,752.11/1,029,089.46 = 439,758.35/x
  3. Step 3: Cross multiply
    745,752.11x = 1,029,089.46 × 439,758.35
  4. Step 4: Simplify right side
    745,752.11x = 452,550,675,587.75
  5. Step 5: Solve for x
    x = 452,550,675,587.75/745,752.11
  6. Step 6: Final answer
    x = 606,837.94

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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.