Home / 771,267.83-1,064,336.27-427,096.94

Finding the Fourth Proportional to 771,267.83, 1,064,336.27 and 427,096.94

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Solution

The fourth proportional to 771,267.83, 1,064,336.27 and 427,096.94 is: 589,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,267.83 : 1,064,336.27 = 427,096.94 : x
  2. Step 2: Convert to fraction form
    771,267.83/1,064,336.27 = 427,096.94/x
  3. Step 3: Cross multiply
    771,267.83x = 1,064,336.27 × 427,096.94
  4. Step 4: Simplify right side
    771,267.83x = 454,574,767,776.60
  5. Step 5: Solve for x
    x = 454,574,767,776.60/771,267.83
  6. Step 6: Final answer
    x = 589,386.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.