Home / 862,269.51-1,293,957.85-578,280.74

Finding the Fourth Proportional to 862,269.51, 1,293,957.85 and 578,280.74

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Solution

The fourth proportional to 862,269.51, 1,293,957.85 and 578,280.74 is: 867,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,269.51 : 1,293,957.85 = 578,280.74 : x
  2. Step 2: Convert to fraction form
    862,269.51/1,293,957.85 = 578,280.74/x
  3. Step 3: Cross multiply
    862,269.51x = 1,293,957.85 × 578,280.74
  4. Step 4: Simplify right side
    862,269.51x = 748,270,903,026.81
  5. Step 5: Solve for x
    x = 748,270,903,026.81/862,269.51
  6. Step 6: Final answer
    x = 867,792.37

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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.