Home / 788,642.90-1,182,964.35-433,474.10

Finding the Fourth Proportional to 788,642.90, 1,182,964.35 and 433,474.10

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Solution

The fourth proportional to 788,642.90, 1,182,964.35 and 433,474.10 is: 650,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,642.90 : 1,182,964.35 = 433,474.10 : x
  2. Step 2: Convert to fraction form
    788,642.90/1,182,964.35 = 433,474.10/x
  3. Step 3: Cross multiply
    788,642.90x = 1,182,964.35 × 433,474.10
  4. Step 4: Simplify right side
    788,642.90x = 512,784,406,948.34
  5. Step 5: Solve for x
    x = 512,784,406,948.34/788,642.90
  6. Step 6: Final answer
    x = 650,211.15

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Double scale
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Similar ratio
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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.