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Finding the Fourth Proportional to 540,492, 810,731.52 and 507,609.36

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Solution

The fourth proportional to 540,492, 810,731.52 and 507,609.36 is: 761,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,492 : 810,731.52 = 507,609.36 : x
  2. Step 2: Convert to fraction form
    540,492/810,731.52 = 507,609.36/x
  3. Step 3: Cross multiply
    540,492x = 810,731.52 × 507,609.36
  4. Step 4: Simplify right side
    540,492x = 411,534,907,999.03
  5. Step 5: Solve for x
    x = 411,534,907,999.03/540,492
  6. Step 6: Final answer
    x = 761,407.95

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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.