Home / 785,566.27-1,178,866.08-430,829.40

Finding the Fourth Proportional to 785,566.27, 1,178,866.08 and 430,829.40

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Solution

The fourth proportional to 785,566.27, 1,178,866.08 and 430,829.40 is: 646,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,566.27 : 1,178,866.08 = 430,829.40 : x
  2. Step 2: Convert to fraction form
    785,566.27/1,178,866.08 = 430,829.40/x
  3. Step 3: Cross multiply
    785,566.27x = 1,178,866.08 × 430,829.40
  4. Step 4: Simplify right side
    785,566.27x = 507,890,165,926.75
  5. Step 5: Solve for x
    x = 507,890,165,926.75/785,566.27
  6. Step 6: Final answer
    x = 646,527.46

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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.