Home / 877,060.50-1,315,798.75-286,084.50

Finding the Fourth Proportional to 877,060.50, 1,315,798.75 and 286,084.50

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Solution

The fourth proportional to 877,060.50, 1,315,798.75 and 286,084.50 is: 429,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,060.50 : 1,315,798.75 = 286,084.50 : x
  2. Step 2: Convert to fraction form
    877,060.50/1,315,798.75 = 286,084.50/x
  3. Step 3: Cross multiply
    877,060.50x = 1,315,798.75 × 286,084.50
  4. Step 4: Simplify right side
    877,060.50x = 376,429,627,494.38
  5. Step 5: Solve for x
    x = 376,429,627,494.38/877,060.50
  6. Step 6: Final answer
    x = 429,194.60

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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.