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Finding the Fourth Proportional to 507,303.02, 698,484.78 and 430,663.26

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Solution

The fourth proportional to 507,303.02, 698,484.78 and 430,663.26 is: 592,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,303.02 : 698,484.78 = 430,663.26 : x
  2. Step 2: Convert to fraction form
    507,303.02/698,484.78 = 430,663.26/x
  3. Step 3: Cross multiply
    507,303.02x = 698,484.78 × 430,663.26
  4. Step 4: Simplify right side
    507,303.02x = 300,811,732,415.18
  5. Step 5: Solve for x
    x = 300,811,732,415.18/507,303.02
  6. Step 6: Final answer
    x = 592,962.63

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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.