Home / 874,030.42-1,206,184.53-492,070.87

Finding the Fourth Proportional to 874,030.42, 1,206,184.53 and 492,070.87

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Solution

The fourth proportional to 874,030.42, 1,206,184.53 and 492,070.87 is: 679,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,030.42 : 1,206,184.53 = 492,070.87 : x
  2. Step 2: Convert to fraction form
    874,030.42/1,206,184.53 = 492,070.87/x
  3. Step 3: Cross multiply
    874,030.42x = 1,206,184.53 × 492,070.87
  4. Step 4: Simplify right side
    874,030.42x = 593,528,271,057.64
  5. Step 5: Solve for x
    x = 593,528,271,057.64/874,030.42
  6. Step 6: Final answer
    x = 679,070.50

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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.