Home / 687,746.08-1,030,277.02-450,369.10

Finding the Fourth Proportional to 687,746.08, 1,030,277.02 and 450,369.10

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Solution

The fourth proportional to 687,746.08, 1,030,277.02 and 450,369.10 is: 674,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,746.08 : 1,030,277.02 = 450,369.10 : x
  2. Step 2: Convert to fraction form
    687,746.08/1,030,277.02 = 450,369.10/x
  3. Step 3: Cross multiply
    687,746.08x = 1,030,277.02 × 450,369.10
  4. Step 4: Simplify right side
    687,746.08x = 464,004,934,248.08
  5. Step 5: Solve for x
    x = 464,004,934,248.08/687,746.08
  6. Step 6: Final answer
    x = 674,674.78

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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.