Home / 438,746.63-604,884.83-348,401.66

Finding the Fourth Proportional to 438,746.63, 604,884.83 and 348,401.66

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Solution

The fourth proportional to 438,746.63, 604,884.83 and 348,401.66 is: 480,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,746.63 : 604,884.83 = 348,401.66 : x
  2. Step 2: Convert to fraction form
    438,746.63/604,884.83 = 348,401.66/x
  3. Step 3: Cross multiply
    438,746.63x = 604,884.83 × 348,401.66
  4. Step 4: Simplify right side
    438,746.63x = 210,742,874,114.39
  5. Step 5: Solve for x
    x = 210,742,874,114.39/438,746.63
  6. Step 6: Final answer
    x = 480,329.33

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1.5x scale

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.