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Finding the Fourth Proportional to 607,071.60, 910,607.40 and 370,875.60

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Solution

The fourth proportional to 607,071.60, 910,607.40 and 370,875.60 is: 556,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,071.60 : 910,607.40 = 370,875.60 : x
  2. Step 2: Convert to fraction form
    607,071.60/910,607.40 = 370,875.60/x
  3. Step 3: Cross multiply
    607,071.60x = 910,607.40 × 370,875.60
  4. Step 4: Simplify right side
    607,071.60x = 337,722,065,839.44
  5. Step 5: Solve for x
    x = 337,722,065,839.44/607,071.60
  6. Step 6: Final answer
    x = 556,313.40

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Similar ratio
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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.