Home / 781,155.02-1,170,668.40-477,655.46

Finding the Fourth Proportional to 781,155.02, 1,170,668.40 and 477,655.46

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Solution

The fourth proportional to 781,155.02, 1,170,668.40 and 477,655.46 is: 715,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,155.02 : 1,170,668.40 = 477,655.46 : x
  2. Step 2: Convert to fraction form
    781,155.02/1,170,668.40 = 477,655.46/x
  3. Step 3: Cross multiply
    781,155.02x = 1,170,668.40 × 477,655.46
  4. Step 4: Simplify right side
    781,155.02x = 559,176,147,256.12
  5. Step 5: Solve for x
    x = 559,176,147,256.12/781,155.02
  6. Step 6: Final answer
    x = 715,832.50

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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.