Home / 877,502.34-1,211,374.26-555,368.58

Finding the Fourth Proportional to 877,502.34, 1,211,374.26 and 555,368.58

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Solution

The fourth proportional to 877,502.34, 1,211,374.26 and 555,368.58 is: 766,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,502.34 : 1,211,374.26 = 555,368.58 : x
  2. Step 2: Convert to fraction form
    877,502.34/1,211,374.26 = 555,368.58/x
  3. Step 3: Cross multiply
    877,502.34x = 1,211,374.26 × 555,368.58
  4. Step 4: Simplify right side
    877,502.34x = 672,759,202,624.75
  5. Step 5: Solve for x
    x = 672,759,202,624.75/877,502.34
  6. Step 6: Final answer
    x = 766,675.11

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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.