Home / 771,641.46-1,064,921.31-465,792.35

Finding the Fourth Proportional to 771,641.46, 1,064,921.31 and 465,792.35

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Solution

The fourth proportional to 771,641.46, 1,064,921.31 and 465,792.35 is: 642,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,641.46 : 1,064,921.31 = 465,792.35 : x
  2. Step 2: Convert to fraction form
    771,641.46/1,064,921.31 = 465,792.35/x
  3. Step 3: Cross multiply
    771,641.46x = 1,064,921.31 × 465,792.35
  4. Step 4: Simplify right side
    771,641.46x = 496,032,194,225.37
  5. Step 5: Solve for x
    x = 496,032,194,225.37/771,641.46
  6. Step 6: Final answer
    x = 642,827.30

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1.5x scale

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.