Home / 727,541.80-1,091,312.70-475,599.40

Finding the Fourth Proportional to 727,541.80, 1,091,312.70 and 475,599.40

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Solution

The fourth proportional to 727,541.80, 1,091,312.70 and 475,599.40 is: 713,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,541.80 : 1,091,312.70 = 475,599.40 : x
  2. Step 2: Convert to fraction form
    727,541.80/1,091,312.70 = 475,599.40/x
  3. Step 3: Cross multiply
    727,541.80x = 1,091,312.70 × 475,599.40
  4. Step 4: Simplify right side
    727,541.80x = 519,027,665,332.38
  5. Step 5: Solve for x
    x = 519,027,665,332.38/727,541.80
  6. Step 6: Final answer
    x = 713,399.10

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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.