Home / 421,566.48-581,783.04-249,583.20

Finding the Fourth Proportional to 421,566.48, 581,783.04 and 249,583.20

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Solution

The fourth proportional to 421,566.48, 581,783.04 and 249,583.20 is: 344,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,566.48 : 581,783.04 = 249,583.20 : x
  2. Step 2: Convert to fraction form
    421,566.48/581,783.04 = 249,583.20/x
  3. Step 3: Cross multiply
    421,566.48x = 581,783.04 × 249,583.20
  4. Step 4: Simplify right side
    421,566.48x = 145,203,272,828.93
  5. Step 5: Solve for x
    x = 145,203,272,828.93/421,566.48
  6. Step 6: Final answer
    x = 344,437.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.