Home / 430,544.79-645,495.44-297,044.10

Finding the Fourth Proportional to 430,544.79, 645,495.44 and 297,044.10

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Solution

The fourth proportional to 430,544.79, 645,495.44 and 297,044.10 is: 445,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,544.79 : 645,495.44 = 297,044.10 : x
  2. Step 2: Convert to fraction form
    430,544.79/645,495.44 = 297,044.10/x
  3. Step 3: Cross multiply
    430,544.79x = 645,495.44 × 297,044.10
  4. Step 4: Simplify right side
    430,544.79x = 191,740,610,543.68
  5. Step 5: Solve for x
    x = 191,740,610,543.68/430,544.79
  6. Step 6: Final answer
    x = 445,344.17

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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.