Home / 507,982.16-761,973.24-208,411.76

Finding the Fourth Proportional to 507,982.16, 761,973.24 and 208,411.76

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Solution

The fourth proportional to 507,982.16, 761,973.24 and 208,411.76 is: 312,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,982.16 : 761,973.24 = 208,411.76 : x
  2. Step 2: Convert to fraction form
    507,982.16/761,973.24 = 208,411.76/x
  3. Step 3: Cross multiply
    507,982.16x = 761,973.24 × 208,411.76
  4. Step 4: Simplify right side
    507,982.16x = 158,804,184,021.30
  5. Step 5: Solve for x
    x = 158,804,184,021.30/507,982.16
  6. Step 6: Final answer
    x = 312,617.64

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Double scale
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Similar ratio
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1.5x scale

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.