Home / 970,913.28-1,456,136-297,000.16

Finding the Fourth Proportional to 970,913.28, 1,456,136 and 297,000.16

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Solution

The fourth proportional to 970,913.28, 1,456,136 and 297,000.16 is: 445,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,913.28 : 1,456,136 = 297,000.16 : x
  2. Step 2: Convert to fraction form
    970,913.28/1,456,136 = 297,000.16/x
  3. Step 3: Cross multiply
    970,913.28x = 1,456,136 × 297,000.16
  4. Step 4: Simplify right side
    970,913.28x = 432,472,624,981.76
  5. Step 5: Solve for x
    x = 432,472,624,981.76/970,913.28
  6. Step 6: Final answer
    x = 445,428.68

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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.