Home / 850,869.74-1,276,541.40-371,139.50

Finding the Fourth Proportional to 850,869.74, 1,276,541.40 and 371,139.50

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Solution

The fourth proportional to 850,869.74, 1,276,541.40 and 371,139.50 is: 556,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,869.74 : 1,276,541.40 = 371,139.50 : x
  2. Step 2: Convert to fraction form
    850,869.74/1,276,541.40 = 371,139.50/x
  3. Step 3: Cross multiply
    850,869.74x = 1,276,541.40 × 371,139.50
  4. Step 4: Simplify right side
    850,869.74x = 473,774,936,925.30
  5. Step 5: Solve for x
    x = 473,774,936,925.30/850,869.74
  6. Step 6: Final answer
    x = 556,812.54

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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.