Home / 877,902.45-1,316,959.14-309,166.00

Finding the Fourth Proportional to 877,902.45, 1,316,959.14 and 309,166.00

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Solution

The fourth proportional to 877,902.45, 1,316,959.14 and 309,166.00 is: 463,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,902.45 : 1,316,959.14 = 309,166.00 : x
  2. Step 2: Convert to fraction form
    877,902.45/1,316,959.14 = 309,166.00/x
  3. Step 3: Cross multiply
    877,902.45x = 1,316,959.14 × 309,166.00
  4. Step 4: Simplify right side
    877,902.45x = 407,158,985,605.16
  5. Step 5: Solve for x
    x = 407,158,985,605.16/877,902.45
  6. Step 6: Final answer
    x = 463,786.14

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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.