Home / 525,828.80-788,743.20-470,532.80

Finding the Fourth Proportional to 525,828.80, 788,743.20 and 470,532.80

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Solution

The fourth proportional to 525,828.80, 788,743.20 and 470,532.80 is: 705,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,828.80 : 788,743.20 = 470,532.80 : x
  2. Step 2: Convert to fraction form
    525,828.80/788,743.20 = 470,532.80/x
  3. Step 3: Cross multiply
    525,828.80x = 788,743.20 × 470,532.80
  4. Step 4: Simplify right side
    525,828.80x = 371,129,546,376.96
  5. Step 5: Solve for x
    x = 371,129,546,376.96/525,828.80
  6. Step 6: Final answer
    x = 705,799.20

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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.