Home / 724,953.29-1,000,407.69-402,683.94

Finding the Fourth Proportional to 724,953.29, 1,000,407.69 and 402,683.94

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Solution

The fourth proportional to 724,953.29, 1,000,407.69 and 402,683.94 is: 555,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,953.29 : 1,000,407.69 = 402,683.94 : x
  2. Step 2: Convert to fraction form
    724,953.29/1,000,407.69 = 402,683.94/x
  3. Step 3: Cross multiply
    724,953.29x = 1,000,407.69 × 402,683.94
  4. Step 4: Simplify right side
    724,953.29x = 402,848,110,215.50
  5. Step 5: Solve for x
    x = 402,848,110,215.50/724,953.29
  6. Step 6: Final answer
    x = 555,688.37

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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.