Home / 877,932.32-1,316,888.88-213,084.32

Finding the Fourth Proportional to 877,932.32, 1,316,888.88 and 213,084.32

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Solution

The fourth proportional to 877,932.32, 1,316,888.88 and 213,084.32 is: 319,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,932.32 : 1,316,888.88 = 213,084.32 : x
  2. Step 2: Convert to fraction form
    877,932.32/1,316,888.88 = 213,084.32/x
  3. Step 3: Cross multiply
    877,932.32x = 1,316,888.88 × 213,084.32
  4. Step 4: Simplify right side
    877,932.32x = 280,608,371,510.36
  5. Step 5: Solve for x
    x = 280,608,371,510.36/877,932.32
  6. Step 6: Final answer
    x = 319,624.15

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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.