Home / 460,005.12-634,807.01-256,051.65

Finding the Fourth Proportional to 460,005.12, 634,807.01 and 256,051.65

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Solution

The fourth proportional to 460,005.12, 634,807.01 and 256,051.65 is: 353,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,005.12 : 634,807.01 = 256,051.65 : x
  2. Step 2: Convert to fraction form
    460,005.12/634,807.01 = 256,051.65/x
  3. Step 3: Cross multiply
    460,005.12x = 634,807.01 × 256,051.65
  4. Step 4: Simplify right side
    460,005.12x = 162,543,381,061.81
  5. Step 5: Solve for x
    x = 162,543,381,061.81/460,005.12
  6. Step 6: Final answer
    x = 353,351.24

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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.