Home / 884,353.02-1,326,809.93-315,721.95

Finding the Fourth Proportional to 884,353.02, 1,326,809.93 and 315,721.95

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Solution

The fourth proportional to 884,353.02, 1,326,809.93 and 315,721.95 is: 473,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,353.02 : 1,326,809.93 = 315,721.95 : x
  2. Step 2: Convert to fraction form
    884,353.02/1,326,809.93 = 315,721.95/x
  3. Step 3: Cross multiply
    884,353.02x = 1,326,809.93 × 315,721.95
  4. Step 4: Simplify right side
    884,353.02x = 418,903,016,800.35
  5. Step 5: Solve for x
    x = 418,903,016,800.35/884,353.02
  6. Step 6: Final answer
    x = 473,683.03

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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.