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Finding the Fourth Proportional to 670,030.12, 924,638.52 and 364,100.71

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Solution

The fourth proportional to 670,030.12, 924,638.52 and 364,100.71 is: 502,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,030.12 : 924,638.52 = 364,100.71 : x
  2. Step 2: Convert to fraction form
    670,030.12/924,638.52 = 364,100.71/x
  3. Step 3: Cross multiply
    670,030.12x = 924,638.52 × 364,100.71
  4. Step 4: Simplify right side
    670,030.12x = 336,661,537,002.16
  5. Step 5: Solve for x
    x = 336,661,537,002.16/670,030.12
  6. Step 6: Final answer
    x = 502,457.32

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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.