Home / 607,526.20-911,070.60-307,907.20

Finding the Fourth Proportional to 607,526.20, 911,070.60 and 307,907.20

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Solution

The fourth proportional to 607,526.20, 911,070.60 and 307,907.20 is: 461,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,526.20 : 911,070.60 = 307,907.20 : x
  2. Step 2: Convert to fraction form
    607,526.20/911,070.60 = 307,907.20/x
  3. Step 3: Cross multiply
    607,526.20x = 911,070.60 × 307,907.20
  4. Step 4: Simplify right side
    607,526.20x = 280,525,197,448.32
  5. Step 5: Solve for x
    x = 280,525,197,448.32/607,526.20
  6. Step 6: Final answer
    x = 461,749.96

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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.