Home / 899,007.18-1,348,707.72-338,041.68

Finding the Fourth Proportional to 899,007.18, 1,348,707.72 and 338,041.68

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Solution

The fourth proportional to 899,007.18, 1,348,707.72 and 338,041.68 is: 507,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,007.18 : 1,348,707.72 = 338,041.68 : x
  2. Step 2: Convert to fraction form
    899,007.18/1,348,707.72 = 338,041.68/x
  3. Step 3: Cross multiply
    899,007.18x = 1,348,707.72 × 338,041.68
  4. Step 4: Simplify right side
    899,007.18x = 455,919,423,497.77
  5. Step 5: Solve for x
    x = 455,919,423,497.77/899,007.18
  6. Step 6: Final answer
    x = 507,136.58

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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.