Home / 877,818.60-1,316,727.90-316,871.40

Finding the Fourth Proportional to 877,818.60, 1,316,727.90 and 316,871.40

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Solution

The fourth proportional to 877,818.60, 1,316,727.90 and 316,871.40 is: 475,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,818.60 : 1,316,727.90 = 316,871.40 : x
  2. Step 2: Convert to fraction form
    877,818.60/1,316,727.90 = 316,871.40/x
  3. Step 3: Cross multiply
    877,818.60x = 1,316,727.90 × 316,871.40
  4. Step 4: Simplify right side
    877,818.60x = 417,233,413,092.06
  5. Step 5: Solve for x
    x = 417,233,413,092.06/877,818.60
  6. Step 6: Final answer
    x = 475,307.10

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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.