Home / 708,378.93-977,563.67-386,089.29

Finding the Fourth Proportional to 708,378.93, 977,563.67 and 386,089.29

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Solution

The fourth proportional to 708,378.93, 977,563.67 and 386,089.29 is: 532,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,378.93 : 977,563.67 = 386,089.29 : x
  2. Step 2: Convert to fraction form
    708,378.93/977,563.67 = 386,089.29/x
  3. Step 3: Cross multiply
    708,378.93x = 977,563.67 × 386,089.29
  4. Step 4: Simplify right side
    708,378.93x = 377,426,861,349.65
  5. Step 5: Solve for x
    x = 377,426,861,349.65/708,378.93
  6. Step 6: Final answer
    x = 532,803.62

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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.