Home / 924,782.40-1,387,154.16-426,146.40

Finding the Fourth Proportional to 924,782.40, 1,387,154.16 and 426,146.40

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Solution

The fourth proportional to 924,782.40, 1,387,154.16 and 426,146.40 is: 639,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,782.40 : 1,387,154.16 = 426,146.40 : x
  2. Step 2: Convert to fraction form
    924,782.40/1,387,154.16 = 426,146.40/x
  3. Step 3: Cross multiply
    924,782.40x = 1,387,154.16 × 426,146.40
  4. Step 4: Simplify right side
    924,782.40x = 591,130,751,529.02
  5. Step 5: Solve for x
    x = 591,130,751,529.02/924,782.40
  6. Step 6: Final answer
    x = 639,210.64

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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.