Home / 984,877.80-1,476,279.90-385,607.40

Finding the Fourth Proportional to 984,877.80, 1,476,279.90 and 385,607.40

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Solution

The fourth proportional to 984,877.80, 1,476,279.90 and 385,607.40 is: 578,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,877.80 : 1,476,279.90 = 385,607.40 : x
  2. Step 2: Convert to fraction form
    984,877.80/1,476,279.90 = 385,607.40/x
  3. Step 3: Cross multiply
    984,877.80x = 1,476,279.90 × 385,607.40
  4. Step 4: Simplify right side
    984,877.80x = 569,264,453,911.26
  5. Step 5: Solve for x
    x = 569,264,453,911.26/984,877.80
  6. Step 6: Final answer
    x = 578,005.16

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1.5x scale

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.