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Finding the Fourth Proportional to 522,428.73, 716,256.38 and 512,980.89

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Solution

The fourth proportional to 522,428.73, 716,256.38 and 512,980.89 is: 703,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,428.73 : 716,256.38 = 512,980.89 : x
  2. Step 2: Convert to fraction form
    522,428.73/716,256.38 = 512,980.89/x
  3. Step 3: Cross multiply
    522,428.73x = 716,256.38 × 512,980.89
  4. Step 4: Simplify right side
    522,428.73x = 367,425,832,715.67
  5. Step 5: Solve for x
    x = 367,425,832,715.67/522,428.73
  6. Step 6: Final answer
    x = 703,303.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.