Home / 918,245.80-1,377,368.70-634,810.60

Finding the Fourth Proportional to 918,245.80, 1,377,368.70 and 634,810.60

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Solution

The fourth proportional to 918,245.80, 1,377,368.70 and 634,810.60 is: 952,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,245.80 : 1,377,368.70 = 634,810.60 : x
  2. Step 2: Convert to fraction form
    918,245.80/1,377,368.70 = 634,810.60/x
  3. Step 3: Cross multiply
    918,245.80x = 1,377,368.70 × 634,810.60
  4. Step 4: Simplify right side
    918,245.80x = 874,368,250,868.22
  5. Step 5: Solve for x
    x = 874,368,250,868.22/918,245.80
  6. Step 6: Final answer
    x = 952,215.90

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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.