Home / 963,911.40-1,445,607.90-402,829.80

Finding the Fourth Proportional to 963,911.40, 1,445,607.90 and 402,829.80

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Solution

The fourth proportional to 963,911.40, 1,445,607.90 and 402,829.80 is: 604,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,911.40 : 1,445,607.90 = 402,829.80 : x
  2. Step 2: Convert to fraction form
    963,911.40/1,445,607.90 = 402,829.80/x
  3. Step 3: Cross multiply
    963,911.40x = 1,445,607.90 × 402,829.80
  4. Step 4: Simplify right side
    963,911.40x = 582,333,941,235.42
  5. Step 5: Solve for x
    x = 582,333,941,235.42/963,911.40
  6. Step 6: Final answer
    x = 604,136.38

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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.