Home / 860,152.63-1,187,044.84-472,999.79

Finding the Fourth Proportional to 860,152.63, 1,187,044.84 and 472,999.79

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Solution

The fourth proportional to 860,152.63, 1,187,044.84 and 472,999.79 is: 652,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,152.63 : 1,187,044.84 = 472,999.79 : x
  2. Step 2: Convert to fraction form
    860,152.63/1,187,044.84 = 472,999.79/x
  3. Step 3: Cross multiply
    860,152.63x = 1,187,044.84 × 472,999.79
  4. Step 4: Simplify right side
    860,152.63x = 561,471,960,643.20
  5. Step 5: Solve for x
    x = 561,471,960,643.20/860,152.63
  6. Step 6: Final answer
    x = 652,758.52

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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.