Home / 530,441.16-732,024.36-288,739.50

Finding the Fourth Proportional to 530,441.16, 732,024.36 and 288,739.50

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Solution

The fourth proportional to 530,441.16, 732,024.36 and 288,739.50 is: 398,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,441.16 : 732,024.36 = 288,739.50 : x
  2. Step 2: Convert to fraction form
    530,441.16/732,024.36 = 288,739.50/x
  3. Step 3: Cross multiply
    530,441.16x = 732,024.36 × 288,739.50
  4. Step 4: Simplify right side
    530,441.16x = 211,364,347,694.22
  5. Step 5: Solve for x
    x = 211,364,347,694.22/530,441.16
  6. Step 6: Final answer
    x = 398,468.98

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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.