Home / 738,103.25-1,018,657.74-451,812.53

Finding the Fourth Proportional to 738,103.25, 1,018,657.74 and 451,812.53

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Solution

The fourth proportional to 738,103.25, 1,018,657.74 and 451,812.53 is: 623,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,103.25 : 1,018,657.74 = 451,812.53 : x
  2. Step 2: Convert to fraction form
    738,103.25/1,018,657.74 = 451,812.53/x
  3. Step 3: Cross multiply
    738,103.25x = 1,018,657.74 × 451,812.53
  4. Step 4: Simplify right side
    738,103.25x = 460,242,325,620.19
  5. Step 5: Solve for x
    x = 460,242,325,620.19/738,103.25
  6. Step 6: Final answer
    x = 623,547.35

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1.5x scale

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.