Home / 788,213.15-1,087,737.47-444,053.21

Finding the Fourth Proportional to 788,213.15, 1,087,737.47 and 444,053.21

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Solution

The fourth proportional to 788,213.15, 1,087,737.47 and 444,053.21 is: 612,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,213.15 : 1,087,737.47 = 444,053.21 : x
  2. Step 2: Convert to fraction form
    788,213.15/1,087,737.47 = 444,053.21/x
  3. Step 3: Cross multiply
    788,213.15x = 1,087,737.47 × 444,053.21
  4. Step 4: Simplify right side
    788,213.15x = 483,013,307,531.83
  5. Step 5: Solve for x
    x = 483,013,307,531.83/788,213.15
  6. Step 6: Final answer
    x = 612,795.30

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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.