Home / 877,802.51-1,316,441.32-456,848.75

Finding the Fourth Proportional to 877,802.51, 1,316,441.32 and 456,848.75

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Solution

The fourth proportional to 877,802.51, 1,316,441.32 and 456,848.75 is: 685,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,802.51 : 1,316,441.32 = 456,848.75 : x
  2. Step 2: Convert to fraction form
    877,802.51/1,316,441.32 = 456,848.75/x
  3. Step 3: Cross multiply
    877,802.51x = 1,316,441.32 × 456,848.75
  4. Step 4: Simplify right side
    877,802.51x = 601,414,573,639.33
  5. Step 5: Solve for x
    x = 601,414,573,639.33/877,802.51
  6. Step 6: Final answer
    x = 685,136.54

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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.