Home / 537,985.98-742,423.08-308,552.28

Finding the Fourth Proportional to 537,985.98, 742,423.08 and 308,552.28

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Solution

The fourth proportional to 537,985.98, 742,423.08 and 308,552.28 is: 425,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,985.98 : 742,423.08 = 308,552.28 : x
  2. Step 2: Convert to fraction form
    537,985.98/742,423.08 = 308,552.28/x
  3. Step 3: Cross multiply
    537,985.98x = 742,423.08 × 308,552.28
  4. Step 4: Simplify right side
    537,985.98x = 229,076,334,058.62
  5. Step 5: Solve for x
    x = 229,076,334,058.62/537,985.98
  6. Step 6: Final answer
    x = 425,803.54

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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.