Home / 877,695.70-1,316,543.55-808,575.70

Finding the Fourth Proportional to 877,695.70, 1,316,543.55 and 808,575.70

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Solution

The fourth proportional to 877,695.70, 1,316,543.55 and 808,575.70 is: 1,212,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,695.70 : 1,316,543.55 = 808,575.70 : x
  2. Step 2: Convert to fraction form
    877,695.70/1,316,543.55 = 808,575.70/x
  3. Step 3: Cross multiply
    877,695.70x = 1,316,543.55 × 808,575.70
  4. Step 4: Simplify right side
    877,695.70x = 1,064,525,122,521.74
  5. Step 5: Solve for x
    x = 1,064,525,122,521.74/877,695.70
  6. Step 6: Final answer
    x = 1,212,863.55

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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.