Home / 779,218.79-1,075,500.94-457,032.68

Finding the Fourth Proportional to 779,218.79, 1,075,500.94 and 457,032.68

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Solution

The fourth proportional to 779,218.79, 1,075,500.94 and 457,032.68 is: 630,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,218.79 : 1,075,500.94 = 457,032.68 : x
  2. Step 2: Convert to fraction form
    779,218.79/1,075,500.94 = 457,032.68/x
  3. Step 3: Cross multiply
    779,218.79x = 1,075,500.94 × 457,032.68
  4. Step 4: Simplify right side
    779,218.79x = 491,539,070,430.63
  5. Step 5: Solve for x
    x = 491,539,070,430.63/779,218.79
  6. Step 6: Final answer
    x = 630,810.09

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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.