Home / 772,899.80-1,159,349.70-474,301.40

Finding the Fourth Proportional to 772,899.80, 1,159,349.70 and 474,301.40

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Solution

The fourth proportional to 772,899.80, 1,159,349.70 and 474,301.40 is: 711,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,899.80 : 1,159,349.70 = 474,301.40 : x
  2. Step 2: Convert to fraction form
    772,899.80/1,159,349.70 = 474,301.40/x
  3. Step 3: Cross multiply
    772,899.80x = 1,159,349.70 × 474,301.40
  4. Step 4: Simplify right side
    772,899.80x = 549,881,185,799.58
  5. Step 5: Solve for x
    x = 549,881,185,799.58/772,899.80
  6. Step 6: Final answer
    x = 711,452.10

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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.