Home / 688,291.51-1,032,585.02-288,701.98

Finding the Fourth Proportional to 688,291.51, 1,032,585.02 and 288,701.98

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Solution

The fourth proportional to 688,291.51, 1,032,585.02 and 288,701.98 is: 433,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,291.51 : 1,032,585.02 = 288,701.98 : x
  2. Step 2: Convert to fraction form
    688,291.51/1,032,585.02 = 288,701.98/x
  3. Step 3: Cross multiply
    688,291.51x = 1,032,585.02 × 288,701.98
  4. Step 4: Simplify right side
    688,291.51x = 298,109,339,792.34
  5. Step 5: Solve for x
    x = 298,109,339,792.34/688,291.51
  6. Step 6: Final answer
    x = 433,114.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.