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Finding the Fourth Proportional to 634,017.68, 875,225.76 and 404,875.16

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Solution

The fourth proportional to 634,017.68, 875,225.76 and 404,875.16 is: 558,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,017.68 : 875,225.76 = 404,875.16 : x
  2. Step 2: Convert to fraction form
    634,017.68/875,225.76 = 404,875.16/x
  3. Step 3: Cross multiply
    634,017.68x = 875,225.76 × 404,875.16
  4. Step 4: Simplify right side
    634,017.68x = 354,357,169,616.12
  5. Step 5: Solve for x
    x = 354,357,169,616.12/634,017.68
  6. Step 6: Final answer
    x = 558,907.39

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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.