Home / 877,747.70-1,316,621.55-808,627.70

Finding the Fourth Proportional to 877,747.70, 1,316,621.55 and 808,627.70

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Solution

The fourth proportional to 877,747.70, 1,316,621.55 and 808,627.70 is: 1,212,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,747.70 : 1,316,621.55 = 808,627.70 : x
  2. Step 2: Convert to fraction form
    877,747.70/1,316,621.55 = 808,627.70/x
  3. Step 3: Cross multiply
    877,747.70x = 1,316,621.55 × 808,627.70
  4. Step 4: Simplify right side
    877,747.70x = 1,064,656,655,746.94
  5. Step 5: Solve for x
    x = 1,064,656,655,746.94/877,747.70
  6. Step 6: Final answer
    x = 1,212,941.55

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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.