Home / 513,146.61-708,111.72-283,690.08

Finding the Fourth Proportional to 513,146.61, 708,111.72 and 283,690.08

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Solution

The fourth proportional to 513,146.61, 708,111.72 and 283,690.08 is: 391,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,146.61 : 708,111.72 = 283,690.08 : x
  2. Step 2: Convert to fraction form
    513,146.61/708,111.72 = 283,690.08/x
  3. Step 3: Cross multiply
    513,146.61x = 708,111.72 × 283,690.08
  4. Step 4: Simplify right side
    513,146.61x = 200,884,270,495.74
  5. Step 5: Solve for x
    x = 200,884,270,495.74/513,146.61
  6. Step 6: Final answer
    x = 391,475.39

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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.