Home / 472,615.04-652,185.76-281,624.16

Finding the Fourth Proportional to 472,615.04, 652,185.76 and 281,624.16

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Solution

The fourth proportional to 472,615.04, 652,185.76 and 281,624.16 is: 388,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,615.04 : 652,185.76 = 281,624.16 : x
  2. Step 2: Convert to fraction form
    472,615.04/652,185.76 = 281,624.16/x
  3. Step 3: Cross multiply
    472,615.04x = 652,185.76 × 281,624.16
  4. Step 4: Simplify right side
    472,615.04x = 183,671,266,823.96
  5. Step 5: Solve for x
    x = 183,671,266,823.96/472,615.04
  6. Step 6: Final answer
    x = 388,627.64

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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.