Home / 770,133.80-1,154,423.10-349,711.40

Finding the Fourth Proportional to 770,133.80, 1,154,423.10 and 349,711.40

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Solution

The fourth proportional to 770,133.80, 1,154,423.10 and 349,711.40 is: 524,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,133.80 : 1,154,423.10 = 349,711.40 : x
  2. Step 2: Convert to fraction form
    770,133.80/1,154,423.10 = 349,711.40/x
  3. Step 3: Cross multiply
    770,133.80x = 1,154,423.10 × 349,711.40
  4. Step 4: Simplify right side
    770,133.80x = 403,714,918,493.34
  5. Step 5: Solve for x
    x = 403,714,918,493.34/770,133.80
  6. Step 6: Final answer
    x = 524,214.00

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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.