Home / 514,434.16-709,899.24-288,068.08

Finding the Fourth Proportional to 514,434.16, 709,899.24 and 288,068.08

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Solution

The fourth proportional to 514,434.16, 709,899.24 and 288,068.08 is: 397,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,434.16 : 709,899.24 = 288,068.08 : x
  2. Step 2: Convert to fraction form
    514,434.16/709,899.24 = 288,068.08/x
  3. Step 3: Cross multiply
    514,434.16x = 709,899.24 × 288,068.08
  4. Step 4: Simplify right side
    514,434.16x = 204,499,311,060.26
  5. Step 5: Solve for x
    x = 204,499,311,060.26/514,434.16
  6. Step 6: Final answer
    x = 397,522.81

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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.