Home / 849,495.48-1,274,440.45-280,842.27

Finding the Fourth Proportional to 849,495.48, 1,274,440.45 and 280,842.27

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Solution

The fourth proportional to 849,495.48, 1,274,440.45 and 280,842.27 is: 421,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,495.48 : 1,274,440.45 = 280,842.27 : x
  2. Step 2: Convert to fraction form
    849,495.48/1,274,440.45 = 280,842.27/x
  3. Step 3: Cross multiply
    849,495.48x = 1,274,440.45 × 280,842.27
  4. Step 4: Simplify right side
    849,495.48x = 357,916,748,957.82
  5. Step 5: Solve for x
    x = 357,916,748,957.82/849,495.48
  6. Step 6: Final answer
    x = 421,328.61

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1.5x scale

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.