Home / 646,066.92-891,563.40-359,587.12

Finding the Fourth Proportional to 646,066.92, 891,563.40 and 359,587.12

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Solution

The fourth proportional to 646,066.92, 891,563.40 and 359,587.12 is: 496,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,066.92 : 891,563.40 = 359,587.12 : x
  2. Step 2: Convert to fraction form
    646,066.92/891,563.40 = 359,587.12/x
  3. Step 3: Cross multiply
    646,066.92x = 891,563.40 × 359,587.12
  4. Step 4: Simplify right side
    646,066.92x = 320,594,715,303.41
  5. Step 5: Solve for x
    x = 320,594,715,303.41/646,066.92
  6. Step 6: Final answer
    x = 496,225.24

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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.