Home / 522,970.10-784,973.55-257,030.90

Finding the Fourth Proportional to 522,970.10, 784,973.55 and 257,030.90

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Solution

The fourth proportional to 522,970.10, 784,973.55 and 257,030.90 is: 385,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,970.10 : 784,973.55 = 257,030.90 : x
  2. Step 2: Convert to fraction form
    522,970.10/784,973.55 = 257,030.90/x
  3. Step 3: Cross multiply
    522,970.10x = 784,973.55 × 257,030.90
  4. Step 4: Simplify right side
    522,970.10x = 201,762,458,032.70
  5. Step 5: Solve for x
    x = 201,762,458,032.70/522,970.10
  6. Step 6: Final answer
    x = 385,801.13

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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.