Home / 727,266.32-1,003,113.34-630,294.76

Finding the Fourth Proportional to 727,266.32, 1,003,113.34 and 630,294.76

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Solution

The fourth proportional to 727,266.32, 1,003,113.34 and 630,294.76 is: 869,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,266.32 : 1,003,113.34 = 630,294.76 : x
  2. Step 2: Convert to fraction form
    727,266.32/1,003,113.34 = 630,294.76/x
  3. Step 3: Cross multiply
    727,266.32x = 1,003,113.34 × 630,294.76
  4. Step 4: Simplify right side
    727,266.32x = 632,257,081,888.10
  5. Step 5: Solve for x
    x = 632,257,081,888.10/727,266.32
  6. Step 6: Final answer
    x = 869,361.15

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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.