Home / 877,582.50-1,316,373.75-212,734.50

Finding the Fourth Proportional to 877,582.50, 1,316,373.75 and 212,734.50

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Solution

The fourth proportional to 877,582.50, 1,316,373.75 and 212,734.50 is: 319,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,582.50 : 1,316,373.75 = 212,734.50 : x
  2. Step 2: Convert to fraction form
    877,582.50/1,316,373.75 = 212,734.50/x
  3. Step 3: Cross multiply
    877,582.50x = 1,316,373.75 × 212,734.50
  4. Step 4: Simplify right side
    877,582.50x = 280,038,111,519.38
  5. Step 5: Solve for x
    x = 280,038,111,519.38/877,582.50
  6. Step 6: Final answer
    x = 319,101.75

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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.