Home / 830,950.16-1,146,799.38-487,075.02

Finding the Fourth Proportional to 830,950.16, 1,146,799.38 and 487,075.02

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Solution

The fourth proportional to 830,950.16, 1,146,799.38 and 487,075.02 is: 672,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,950.16 : 1,146,799.38 = 487,075.02 : x
  2. Step 2: Convert to fraction form
    830,950.16/1,146,799.38 = 487,075.02/x
  3. Step 3: Cross multiply
    830,950.16x = 1,146,799.38 × 487,075.02
  4. Step 4: Simplify right side
    830,950.16x = 558,577,329,122.96
  5. Step 5: Solve for x
    x = 558,577,329,122.96/830,950.16
  6. Step 6: Final answer
    x = 672,215.21

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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.