Home / 877,807.50-1,211,374.35-475,399.50

Finding the Fourth Proportional to 877,807.50, 1,211,374.35 and 475,399.50

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Solution

The fourth proportional to 877,807.50, 1,211,374.35 and 475,399.50 is: 656,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,807.50 : 1,211,374.35 = 475,399.50 : x
  2. Step 2: Convert to fraction form
    877,807.50/1,211,374.35 = 475,399.50/x
  3. Step 3: Cross multiply
    877,807.50x = 1,211,374.35 × 475,399.50
  4. Step 4: Simplify right side
    877,807.50x = 575,886,760,302.83
  5. Step 5: Solve for x
    x = 575,886,760,302.83/877,807.50
  6. Step 6: Final answer
    x = 656,051.31

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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.