Home / 724,828.06-1,000,235.29-402,558.91

Finding the Fourth Proportional to 724,828.06, 1,000,235.29 and 402,558.91

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Solution

The fourth proportional to 724,828.06, 1,000,235.29 and 402,558.91 is: 555,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,828.06 : 1,000,235.29 = 402,558.91 : x
  2. Step 2: Convert to fraction form
    724,828.06/1,000,235.29 = 402,558.91/x
  3. Step 3: Cross multiply
    724,828.06x = 1,000,235.29 × 402,558.91
  4. Step 4: Simplify right side
    724,828.06x = 402,653,621,071.96
  5. Step 5: Solve for x
    x = 402,653,621,071.96/724,828.06
  6. Step 6: Final answer
    x = 555,516.05

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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.