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Finding the Fourth Proportional to 540,064.40, 808,541.40 and 524,512.40

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Solution

The fourth proportional to 540,064.40, 808,541.40 and 524,512.40 is: 785,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,064.40 : 808,541.40 = 524,512.40 : x
  2. Step 2: Convert to fraction form
    540,064.40/808,541.40 = 524,512.40/x
  3. Step 3: Cross multiply
    540,064.40x = 808,541.40 × 524,512.40
  4. Step 4: Simplify right side
    540,064.40x = 424,089,990,213.36
  5. Step 5: Solve for x
    x = 424,089,990,213.36/540,064.40
  6. Step 6: Final answer
    x = 785,258.18

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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.