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Finding the Fourth Proportional to 436,016.84, 601,328.54 and 282,904.16

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Solution

The fourth proportional to 436,016.84, 601,328.54 and 282,904.16 is: 390,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,016.84 : 601,328.54 = 282,904.16 : x
  2. Step 2: Convert to fraction form
    436,016.84/601,328.54 = 282,904.16/x
  3. Step 3: Cross multiply
    436,016.84x = 601,328.54 × 282,904.16
  4. Step 4: Simplify right side
    436,016.84x = 170,118,343,193.34
  5. Step 5: Solve for x
    x = 170,118,343,193.34/436,016.84
  6. Step 6: Final answer
    x = 390,164.62

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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.