Home / 738,374.40-1,018,915.20-436,665.60

Finding the Fourth Proportional to 738,374.40, 1,018,915.20 and 436,665.60

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Solution

The fourth proportional to 738,374.40, 1,018,915.20 and 436,665.60 is: 602,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,374.40 : 1,018,915.20 = 436,665.60 : x
  2. Step 2: Convert to fraction form
    738,374.40/1,018,915.20 = 436,665.60/x
  3. Step 3: Cross multiply
    738,374.40x = 1,018,915.20 × 436,665.60
  4. Step 4: Simplify right side
    738,374.40x = 444,925,217,157.12
  5. Step 5: Solve for x
    x = 444,925,217,157.12/738,374.40
  6. Step 6: Final answer
    x = 602,574.00

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Double scale
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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.