Home / 738,717.78-1,020,271.26-496,580.40

Finding the Fourth Proportional to 738,717.78, 1,020,271.26 and 496,580.40

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Solution

The fourth proportional to 738,717.78, 1,020,271.26 and 496,580.40 is: 685,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,717.78 : 1,020,271.26 = 496,580.40 : x
  2. Step 2: Convert to fraction form
    738,717.78/1,020,271.26 = 496,580.40/x
  3. Step 3: Cross multiply
    738,717.78x = 1,020,271.26 × 496,580.40
  4. Step 4: Simplify right side
    738,717.78x = 506,646,710,399.30
  5. Step 5: Solve for x
    x = 506,646,710,399.30/738,717.78
  6. Step 6: Final answer
    x = 685,846.10

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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.