Home / 724,801.37-1,000,239.44-402,541.65

Finding the Fourth Proportional to 724,801.37, 1,000,239.44 and 402,541.65

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Solution

The fourth proportional to 724,801.37, 1,000,239.44 and 402,541.65 is: 555,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,801.37 : 1,000,239.44 = 402,541.65 : x
  2. Step 2: Convert to fraction form
    724,801.37/1,000,239.44 = 402,541.65/x
  3. Step 3: Cross multiply
    724,801.37x = 1,000,239.44 × 402,541.65
  4. Step 4: Simplify right side
    724,801.37x = 402,638,032,559.97
  5. Step 5: Solve for x
    x = 402,638,032,559.97/724,801.37
  6. Step 6: Final answer
    x = 555,515.00

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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.