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Finding the Fourth Proportional to 607,501.40, 911,252.10 and 406,734.80

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Solution

The fourth proportional to 607,501.40, 911,252.10 and 406,734.80 is: 610,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,501.40 : 911,252.10 = 406,734.80 : x
  2. Step 2: Convert to fraction form
    607,501.40/911,252.10 = 406,734.80/x
  3. Step 3: Cross multiply
    607,501.40x = 911,252.10 × 406,734.80
  4. Step 4: Simplify right side
    607,501.40x = 370,637,940,643.08
  5. Step 5: Solve for x
    x = 370,637,940,643.08/607,501.40
  6. Step 6: Final answer
    x = 610,102.20

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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.