Home / 724,374.51-999,586.80-402,059.24

Finding the Fourth Proportional to 724,374.51, 999,586.80 and 402,059.24

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Solution

The fourth proportional to 724,374.51, 999,586.80 and 402,059.24 is: 554,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,374.51 : 999,586.80 = 402,059.24 : x
  2. Step 2: Convert to fraction form
    724,374.51/999,586.80 = 402,059.24/x
  3. Step 3: Cross multiply
    724,374.51x = 999,586.80 × 402,059.24
  4. Step 4: Simplify right side
    724,374.51x = 401,893,104,124.10
  5. Step 5: Solve for x
    x = 401,893,104,124.10/724,374.51
  6. Step 6: Final answer
    x = 554,813.98

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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.