Home / 975,000.40-1,345,838.88-670,086.16

Finding the Fourth Proportional to 975,000.40, 1,345,838.88 and 670,086.16

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Solution

The fourth proportional to 975,000.40, 1,345,838.88 and 670,086.16 is: 924,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,000.40 : 1,345,838.88 = 670,086.16 : x
  2. Step 2: Convert to fraction form
    975,000.40/1,345,838.88 = 670,086.16/x
  3. Step 3: Cross multiply
    975,000.40x = 1,345,838.88 × 670,086.16
  4. Step 4: Simplify right side
    975,000.40x = 901,828,007,077.90
  5. Step 5: Solve for x
    x = 901,828,007,077.90/975,000.40
  6. Step 6: Final answer
    x = 924,951.42

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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.