Home / 788,561.64-1,087,082.16-561,813.48

Finding the Fourth Proportional to 788,561.64, 1,087,082.16 and 561,813.48

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Solution

The fourth proportional to 788,561.64, 1,087,082.16 and 561,813.48 is: 774,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,561.64 : 1,087,082.16 = 561,813.48 : x
  2. Step 2: Convert to fraction form
    788,561.64/1,087,082.16 = 561,813.48/x
  3. Step 3: Cross multiply
    788,561.64x = 1,087,082.16 × 561,813.48
  4. Step 4: Simplify right side
    788,561.64x = 610,737,411,355.52
  5. Step 5: Solve for x
    x = 610,737,411,355.52/788,561.64
  6. Step 6: Final answer
    x = 774,495.46

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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.