Home / 771,648.24-1,064,844.72-432,099.12

Finding the Fourth Proportional to 771,648.24, 1,064,844.72 and 432,099.12

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Solution

The fourth proportional to 771,648.24, 1,064,844.72 and 432,099.12 is: 596,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,648.24 : 1,064,844.72 = 432,099.12 : x
  2. Step 2: Convert to fraction form
    771,648.24/1,064,844.72 = 432,099.12/x
  3. Step 3: Cross multiply
    771,648.24x = 1,064,844.72 × 432,099.12
  4. Step 4: Simplify right side
    771,648.24x = 460,118,466,448.65
  5. Step 5: Solve for x
    x = 460,118,466,448.65/771,648.24
  6. Step 6: Final answer
    x = 596,280.07

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Double scale
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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.