Home / 877,523.42-1,316,285.04-212,675.42

Finding the Fourth Proportional to 877,523.42, 1,316,285.04 and 212,675.42

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Solution

The fourth proportional to 877,523.42, 1,316,285.04 and 212,675.42 is: 319,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,523.42 : 1,316,285.04 = 212,675.42 : x
  2. Step 2: Convert to fraction form
    877,523.42/1,316,285.04 = 212,675.42/x
  3. Step 3: Cross multiply
    877,523.42x = 1,316,285.04 × 212,675.42
  4. Step 4: Simplify right side
    877,523.42x = 279,941,473,721.72
  5. Step 5: Solve for x
    x = 279,941,473,721.72/877,523.42
  6. Step 6: Final answer
    x = 319,013.11

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1.5x scale

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.