Home / 860,137.67-1,187,136.66-497,782.14

Finding the Fourth Proportional to 860,137.67, 1,187,136.66 and 497,782.14

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Solution

The fourth proportional to 860,137.67, 1,187,136.66 and 497,782.14 is: 687,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,137.67 : 1,187,136.66 = 497,782.14 : x
  2. Step 2: Convert to fraction form
    860,137.67/1,187,136.66 = 497,782.14/x
  3. Step 3: Cross multiply
    860,137.67x = 1,187,136.66 × 497,782.14
  4. Step 4: Simplify right side
    860,137.67x = 590,935,427,087.25
  5. Step 5: Solve for x
    x = 590,935,427,087.25/860,137.67
  6. Step 6: Final answer
    x = 687,024.24

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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.