Home / 763,146.23-1,053,089.12-423,587.75

Finding the Fourth Proportional to 763,146.23, 1,053,089.12 and 423,587.75

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Solution

The fourth proportional to 763,146.23, 1,053,089.12 and 423,587.75 is: 584,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,146.23 : 1,053,089.12 = 423,587.75 : x
  2. Step 2: Convert to fraction form
    763,146.23/1,053,089.12 = 423,587.75/x
  3. Step 3: Cross multiply
    763,146.23x = 1,053,089.12 × 423,587.75
  4. Step 4: Simplify right side
    763,146.23x = 446,075,648,772.34
  5. Step 5: Solve for x
    x = 446,075,648,772.34/763,146.23
  6. Step 6: Final answer
    x = 584,521.85

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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.