Home / 900,557.55-1,243,139.14-610,566.30

Finding the Fourth Proportional to 900,557.55, 1,243,139.14 and 610,566.30

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Solution

The fourth proportional to 900,557.55, 1,243,139.14 and 610,566.30 is: 842,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,557.55 : 1,243,139.14 = 610,566.30 : x
  2. Step 2: Convert to fraction form
    900,557.55/1,243,139.14 = 610,566.30/x
  3. Step 3: Cross multiply
    900,557.55x = 1,243,139.14 × 610,566.30
  4. Step 4: Simplify right side
    900,557.55x = 759,018,865,094.98
  5. Step 5: Solve for x
    x = 759,018,865,094.98/900,557.55
  6. Step 6: Final answer
    x = 842,832.16

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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.