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Finding the Fourth Proportional to 649,526.80, 974,437.80 and 294,642.40

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Solution

The fourth proportional to 649,526.80, 974,437.80 and 294,642.40 is: 442,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,526.80 : 974,437.80 = 294,642.40 : x
  2. Step 2: Convert to fraction form
    649,526.80/974,437.80 = 294,642.40/x
  3. Step 3: Cross multiply
    649,526.80x = 974,437.80 × 294,642.40
  4. Step 4: Simplify right side
    649,526.80x = 287,110,692,042.72
  5. Step 5: Solve for x
    x = 287,110,692,042.72/649,526.80
  6. Step 6: Final answer
    x = 442,030.56

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1.5x scale

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.