Home / 497,485.32-686,532.02-282,637.18

Finding the Fourth Proportional to 497,485.32, 686,532.02 and 282,637.18

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Solution

The fourth proportional to 497,485.32, 686,532.02 and 282,637.18 is: 390,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,485.32 : 686,532.02 = 282,637.18 : x
  2. Step 2: Convert to fraction form
    497,485.32/686,532.02 = 282,637.18/x
  3. Step 3: Cross multiply
    497,485.32x = 686,532.02 × 282,637.18
  4. Step 4: Simplify right side
    497,485.32x = 194,039,474,112.50
  5. Step 5: Solve for x
    x = 194,039,474,112.50/497,485.32
  6. Step 6: Final answer
    x = 390,040.60

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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.