Home / 745,632.68-1,029,106.53-439,690.52

Finding the Fourth Proportional to 745,632.68, 1,029,106.53 and 439,690.52

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Solution

The fourth proportional to 745,632.68, 1,029,106.53 and 439,690.52 is: 606,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,632.68 : 1,029,106.53 = 439,690.52 : x
  2. Step 2: Convert to fraction form
    745,632.68/1,029,106.53 = 439,690.52/x
  3. Step 3: Cross multiply
    745,632.68x = 1,029,106.53 × 439,690.52
  4. Step 4: Simplify right side
    745,632.68x = 452,488,385,311.10
  5. Step 5: Solve for x
    x = 452,488,385,311.10/745,632.68
  6. Step 6: Final answer
    x = 606,851.60

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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.