Home / 923,448.60-1,386,339.30-497,323.80

Finding the Fourth Proportional to 923,448.60, 1,386,339.30 and 497,323.80

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Solution

The fourth proportional to 923,448.60, 1,386,339.30 and 497,323.80 is: 746,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,448.60 : 1,386,339.30 = 497,323.80 : x
  2. Step 2: Convert to fraction form
    923,448.60/1,386,339.30 = 497,323.80/x
  3. Step 3: Cross multiply
    923,448.60x = 1,386,339.30 × 497,323.80
  4. Step 4: Simplify right side
    923,448.60x = 689,459,528,765.34
  5. Step 5: Solve for x
    x = 689,459,528,765.34/923,448.60
  6. Step 6: Final answer
    x = 746,613.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.