Home / 464,001.21-640,430.15-302,575.10

Finding the Fourth Proportional to 464,001.21, 640,430.15 and 302,575.10

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Solution

The fourth proportional to 464,001.21, 640,430.15 and 302,575.10 is: 417,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,001.21 : 640,430.15 = 302,575.10 : x
  2. Step 2: Convert to fraction form
    464,001.21/640,430.15 = 302,575.10/x
  3. Step 3: Cross multiply
    464,001.21x = 640,430.15 × 302,575.10
  4. Step 4: Simplify right side
    464,001.21x = 193,778,211,964.24
  5. Step 5: Solve for x
    x = 193,778,211,964.24/464,001.21
  6. Step 6: Final answer
    x = 417,624.37

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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.