Home / 529,764.40-731,054.68-288,047.16

Finding the Fourth Proportional to 529,764.40, 731,054.68 and 288,047.16

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Solution

The fourth proportional to 529,764.40, 731,054.68 and 288,047.16 is: 397,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,764.40 : 731,054.68 = 288,047.16 : x
  2. Step 2: Convert to fraction form
    529,764.40/731,054.68 = 288,047.16/x
  3. Step 3: Cross multiply
    529,764.40x = 731,054.68 × 288,047.16
  4. Step 4: Simplify right side
    529,764.40x = 210,578,224,378.71
  5. Step 5: Solve for x
    x = 210,578,224,378.71/529,764.40
  6. Step 6: Final answer
    x = 397,494.10

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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.