Home / 724,867.61-1,000,284.92-434,639.37

Finding the Fourth Proportional to 724,867.61, 1,000,284.92 and 434,639.37

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Solution

The fourth proportional to 724,867.61, 1,000,284.92 and 434,639.37 is: 599,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,867.61 : 1,000,284.92 = 434,639.37 : x
  2. Step 2: Convert to fraction form
    724,867.61/1,000,284.92 = 434,639.37/x
  3. Step 3: Cross multiply
    724,867.61x = 1,000,284.92 × 434,639.37
  4. Step 4: Simplify right side
    724,867.61x = 434,763,210,657.07
  5. Step 5: Solve for x
    x = 434,763,210,657.07/724,867.61
  6. Step 6: Final answer
    x = 599,782.92

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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.