Home / 802,670.86-1,107,643.35-458,439.13

Finding the Fourth Proportional to 802,670.86, 1,107,643.35 and 458,439.13

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Solution

The fourth proportional to 802,670.86, 1,107,643.35 and 458,439.13 is: 632,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,670.86 : 1,107,643.35 = 458,439.13 : x
  2. Step 2: Convert to fraction form
    802,670.86/1,107,643.35 = 458,439.13/x
  3. Step 3: Cross multiply
    802,670.86x = 1,107,643.35 × 458,439.13
  4. Step 4: Simplify right side
    802,670.86x = 507,787,053,724.29
  5. Step 5: Solve for x
    x = 507,787,053,724.29/802,670.86
  6. Step 6: Final answer
    x = 632,621.76

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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.