Home / 877,592.75-1,316,389.13-212,744.75

Finding the Fourth Proportional to 877,592.75, 1,316,389.13 and 212,744.75

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Solution

The fourth proportional to 877,592.75, 1,316,389.13 and 212,744.75 is: 319,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,592.75 : 1,316,389.13 = 212,744.75 : x
  2. Step 2: Convert to fraction form
    877,592.75/1,316,389.13 = 212,744.75/x
  3. Step 3: Cross multiply
    877,592.75x = 1,316,389.13 × 212,744.75
  4. Step 4: Simplify right side
    877,592.75x = 280,054,875,300.84
  5. Step 5: Solve for x
    x = 280,054,875,300.84/877,592.75
  6. Step 6: Final answer
    x = 319,117.13

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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.