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Finding the Fourth Proportional to 629,950.40, 947,258.40 and 527,307.20

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Solution

The fourth proportional to 629,950.40, 947,258.40 and 527,307.20 is: 792,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,950.40 : 947,258.40 = 527,307.20 : x
  2. Step 2: Convert to fraction form
    629,950.40/947,258.40 = 527,307.20/x
  3. Step 3: Cross multiply
    629,950.40x = 947,258.40 × 527,307.20
  4. Step 4: Simplify right side
    629,950.40x = 499,496,174,580.48
  5. Step 5: Solve for x
    x = 499,496,174,580.48/629,950.40
  6. Step 6: Final answer
    x = 792,913.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.