Home / 877,647.41-1,210,699.52-555,544.38

Finding the Fourth Proportional to 877,647.41, 1,210,699.52 and 555,544.38

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Solution

The fourth proportional to 877,647.41, 1,210,699.52 and 555,544.38 is: 766,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,647.41 : 1,210,699.52 = 555,544.38 : x
  2. Step 2: Convert to fraction form
    877,647.41/1,210,699.52 = 555,544.38/x
  3. Step 3: Cross multiply
    877,647.41x = 1,210,699.52 × 555,544.38
  4. Step 4: Simplify right side
    877,647.41x = 672,597,314,204.70
  5. Step 5: Solve for x
    x = 672,597,314,204.70/877,647.41
  6. Step 6: Final answer
    x = 766,363.93

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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.